Index by author
A
Aghayev, E.
- EDITOR'S CHOICESpineOpen AccessLumbar Spinal Stenosis Severity by CT or MRI Does Not Predict Response to Epidural Corticosteroid versus Lidocaine InjectionsF.A. Perez, S. Quinet, J.G. Jarvik, Q.T. Nguyen, E. Aghayev, D. Jitjai, W.D. Hwang, E.R. Jarvik, S.S. Nedeljkovic, A.L. Avins, J.M. Schwalb, F.E. Diehn, C.J. Standaert, D.R. Nerenz, T. Annaswamy, Z. Bauer, D. Haynor, P.J. Heagerty and J.L. FriedlyAmerican Journal of Neuroradiology May 2019, 40 (5) 908-915; DOI: https://doi.org/10.3174/ajnr.A6050
In this secondary analysis of the CT and MR imaging studies of the prospective, double-blind Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS) trial participants, the authors found no differences in baseline imaging characteristics between those receiving epidural corticosteroid and lidocaine and those receiving lidocaine alone injections. No imaging measures of spinal stenosis were associated with a differential response to corticosteroids, indicating that imaging parameters of spinal stenosis did not predict a response to epidural corticosteroids.
Ahmed, R.
- InterventionalYou have accessTreatment of Wide-Neck Intracranial Aneurysms with the Woven EndoBridge Device Associated with Stenting: A Single-Center ExperienceF. Cagnazzo, R. Ahmed, C. Dargazanli, P.-H. Lefevre, G. Gascou, I. Derraz, S.A. Kalmanovich, C. Riquelme, A. Bonafe and V. CostalatAmerican Journal of Neuroradiology May 2019, 40 (5) 820-826; DOI: https://doi.org/10.3174/ajnr.A6032
Ahn, K.J.
- InterventionalYou have accessImage Quality of Low-Dose Cerebral Angiography and Effectiveness of Clinical Implementation on Diagnostic and Neurointerventional Procedures for Intracranial AneurysmsJ. Choi, B. Kim, Y. Choi, N.Y. Shin, J. Jang, H.S. Choi, S.L. Jung and K.J. AhnAmerican Journal of Neuroradiology May 2019, 40 (5) 827-833; DOI: https://doi.org/10.3174/ajnr.A6029
Amans, M.R.
- Head & NeckOpen AccessReduced Jet Velocity in Venous Flow after CSF Drainage: Assessing Hemodynamic Causes of Pulsatile TinnitusH. Haraldsson, J.R. Leach, E.I. Kao, A.G. Wright, S.G. Ammanuel, R.S. Khangura, M.K. Ballweber, C.T. Chin, V.N. Shah, K. Meisel, D.A. Saloner and M.R. AmansAmerican Journal of Neuroradiology May 2019, 40 (5) 849-854; DOI: https://doi.org/10.3174/ajnr.A6043
Ammanuel, S.G.
- Head & NeckOpen AccessReduced Jet Velocity in Venous Flow after CSF Drainage: Assessing Hemodynamic Causes of Pulsatile TinnitusH. Haraldsson, J.R. Leach, E.I. Kao, A.G. Wright, S.G. Ammanuel, R.S. Khangura, M.K. Ballweber, C.T. Chin, V.N. Shah, K. Meisel, D.A. Saloner and M.R. AmansAmerican Journal of Neuroradiology May 2019, 40 (5) 849-854; DOI: https://doi.org/10.3174/ajnr.A6043
Annaswamy, T.
- EDITOR'S CHOICESpineOpen AccessLumbar Spinal Stenosis Severity by CT or MRI Does Not Predict Response to Epidural Corticosteroid versus Lidocaine InjectionsF.A. Perez, S. Quinet, J.G. Jarvik, Q.T. Nguyen, E. Aghayev, D. Jitjai, W.D. Hwang, E.R. Jarvik, S.S. Nedeljkovic, A.L. Avins, J.M. Schwalb, F.E. Diehn, C.J. Standaert, D.R. Nerenz, T. Annaswamy, Z. Bauer, D. Haynor, P.J. Heagerty and J.L. FriedlyAmerican Journal of Neuroradiology May 2019, 40 (5) 908-915; DOI: https://doi.org/10.3174/ajnr.A6050
In this secondary analysis of the CT and MR imaging studies of the prospective, double-blind Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS) trial participants, the authors found no differences in baseline imaging characteristics between those receiving epidural corticosteroid and lidocaine and those receiving lidocaine alone injections. No imaging measures of spinal stenosis were associated with a differential response to corticosteroids, indicating that imaging parameters of spinal stenosis did not predict a response to epidural corticosteroids.
Anxionnat, R.
- Adult BrainYou have accessSusceptibility-Weighted Angiography for the Follow-Up of Brain Arteriovenous Malformations Treated with Stereotactic RadiosurgeryS. Finitsis, R. Anxionnat, B. Gory, S. Planel, L. Liao and S. BracardAmerican Journal of Neuroradiology May 2019, 40 (5) 792-797; DOI: https://doi.org/10.3174/ajnr.A6053
Aoki, S.
- EDITOR'S CHOICEInterventionalYou have accessUsefulness of Silent MR Angiography for Intracranial Aneurysms Treated with a Flow-Diverter DeviceH. Oishi, T. Fujii, M. Suzuki, N. Takano, K. Teranishi, K. Yatomi, T. Kitamura, M. Yamamoto, S. Aoki and H. AraiAmerican Journal of Neuroradiology May 2019, 40 (5) 808-814; DOI: https://doi.org/10.3174/ajnr.A6047
Silent MRA is a procedure using an ultrashort TE and arterial spin-labeling techniques, which efficiently visualizes the status after the treatment of intracranial aneurysms. In Silent MRA, the 3D image is reconstructed by subtracting the control image from the image obtained by the labeling pulse. Seventy-eight large, unruptured internal carotid aneurysms in 78 patients were the subjects of this study. After 6 months of treatment, they underwent follow-up digital subtraction angiography, Silent MRA, and TOF-MRA, performed simultaneously. The authors found Silent MRA is superior for visualizing blood flow images inside flow-diverter devices compared with TOF-MRA. Furthermore, Silent MRA enables the assessment of aneurysmal embolization status. Silent MRA is useful for assessing the status of large and giant unruptured internal carotid aneurysms after flow-diverter placement.
Arai, H.
- EDITOR'S CHOICEInterventionalYou have accessUsefulness of Silent MR Angiography for Intracranial Aneurysms Treated with a Flow-Diverter DeviceH. Oishi, T. Fujii, M. Suzuki, N. Takano, K. Teranishi, K. Yatomi, T. Kitamura, M. Yamamoto, S. Aoki and H. AraiAmerican Journal of Neuroradiology May 2019, 40 (5) 808-814; DOI: https://doi.org/10.3174/ajnr.A6047
Silent MRA is a procedure using an ultrashort TE and arterial spin-labeling techniques, which efficiently visualizes the status after the treatment of intracranial aneurysms. In Silent MRA, the 3D image is reconstructed by subtracting the control image from the image obtained by the labeling pulse. Seventy-eight large, unruptured internal carotid aneurysms in 78 patients were the subjects of this study. After 6 months of treatment, they underwent follow-up digital subtraction angiography, Silent MRA, and TOF-MRA, performed simultaneously. The authors found Silent MRA is superior for visualizing blood flow images inside flow-diverter devices compared with TOF-MRA. Furthermore, Silent MRA enables the assessment of aneurysmal embolization status. Silent MRA is useful for assessing the status of large and giant unruptured internal carotid aneurysms after flow-diverter placement.
Augustyn, R.A.
- PediatricsYou have accessComparison of Iterative Model Reconstruction versus Filtered Back-Projection in Pediatric Emergency Head CT: Dose, Image Quality, and Image-Reconstruction TimesR.N. Southard, D.M.E. Bardo, M.H. Temkit, M.A. Thorkelson, R.A. Augustyn and C.A. MartinotAmerican Journal of Neuroradiology May 2019, 40 (5) 866-871; DOI: https://doi.org/10.3174/ajnr.A6034
Avins, A.L.
- EDITOR'S CHOICESpineOpen AccessLumbar Spinal Stenosis Severity by CT or MRI Does Not Predict Response to Epidural Corticosteroid versus Lidocaine InjectionsF.A. Perez, S. Quinet, J.G. Jarvik, Q.T. Nguyen, E. Aghayev, D. Jitjai, W.D. Hwang, E.R. Jarvik, S.S. Nedeljkovic, A.L. Avins, J.M. Schwalb, F.E. Diehn, C.J. Standaert, D.R. Nerenz, T. Annaswamy, Z. Bauer, D. Haynor, P.J. Heagerty and J.L. FriedlyAmerican Journal of Neuroradiology May 2019, 40 (5) 908-915; DOI: https://doi.org/10.3174/ajnr.A6050
In this secondary analysis of the CT and MR imaging studies of the prospective, double-blind Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS) trial participants, the authors found no differences in baseline imaging characteristics between those receiving epidural corticosteroid and lidocaine and those receiving lidocaine alone injections. No imaging measures of spinal stenosis were associated with a differential response to corticosteroids, indicating that imaging parameters of spinal stenosis did not predict a response to epidural corticosteroids.
B
Bach, J.P.
- Adult BrainYou have accessIncreased Water Content in Periventricular Caps in Patients without Acute HydrocephalusT. Sichtermann, J.K. Furtmann, S. Dekeyzer, G. Gilmour, A.M. Oros-Peusquens, J.P. Bach, M. Wiesmann, N.J. Shah and O. NikoubashmanAmerican Journal of Neuroradiology May 2019, 40 (5) 784-787; DOI: https://doi.org/10.3174/ajnr.A6033
Baek, J.W.
- InterventionalYou have accessPointwise Encoding Time Reduction with Radial Acquisition with Subtraction-Based MRA during the Follow-Up of Stent-Assisted Coil Embolization of Anterior Circulation AneurysmsY.J. Heo, H.W. Jeong, J.W. Baek, S.T. Kim, Y.G. Jeong, J.Y. Lee and S.-C. JinAmerican Journal of Neuroradiology May 2019, 40 (5) 815-819; DOI: https://doi.org/10.3174/ajnr.A6035
Ballweber, M.K.
- Head & NeckOpen AccessReduced Jet Velocity in Venous Flow after CSF Drainage: Assessing Hemodynamic Causes of Pulsatile TinnitusH. Haraldsson, J.R. Leach, E.I. Kao, A.G. Wright, S.G. Ammanuel, R.S. Khangura, M.K. Ballweber, C.T. Chin, V.N. Shah, K. Meisel, D.A. Saloner and M.R. AmansAmerican Journal of Neuroradiology May 2019, 40 (5) 849-854; DOI: https://doi.org/10.3174/ajnr.A6043
Bardo, D.M.E.
- PediatricsYou have accessComparison of Iterative Model Reconstruction versus Filtered Back-Projection in Pediatric Emergency Head CT: Dose, Image Quality, and Image-Reconstruction TimesR.N. Southard, D.M.E. Bardo, M.H. Temkit, M.A. Thorkelson, R.A. Augustyn and C.A. MartinotAmerican Journal of Neuroradiology May 2019, 40 (5) 866-871; DOI: https://doi.org/10.3174/ajnr.A6034
Bauer, Z.
- EDITOR'S CHOICESpineOpen AccessLumbar Spinal Stenosis Severity by CT or MRI Does Not Predict Response to Epidural Corticosteroid versus Lidocaine InjectionsF.A. Perez, S. Quinet, J.G. Jarvik, Q.T. Nguyen, E. Aghayev, D. Jitjai, W.D. Hwang, E.R. Jarvik, S.S. Nedeljkovic, A.L. Avins, J.M. Schwalb, F.E. Diehn, C.J. Standaert, D.R. Nerenz, T. Annaswamy, Z. Bauer, D. Haynor, P.J. Heagerty and J.L. FriedlyAmerican Journal of Neuroradiology May 2019, 40 (5) 908-915; DOI: https://doi.org/10.3174/ajnr.A6050
In this secondary analysis of the CT and MR imaging studies of the prospective, double-blind Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS) trial participants, the authors found no differences in baseline imaging characteristics between those receiving epidural corticosteroid and lidocaine and those receiving lidocaine alone injections. No imaging measures of spinal stenosis were associated with a differential response to corticosteroids, indicating that imaging parameters of spinal stenosis did not predict a response to epidural corticosteroids.
Benders, M.J.N.L.
- PediatricsYou have accessBrain and CSF Volumes in Fetuses and Neonates with Antenatal Diagnosis of Critical Congenital Heart Disease: A Longitudinal MRI StudyN.H.P. Claessens, N. Khalili, I. Isgum, H. ter Heide, T.J. Steenhuis, E. Turk, N.J.G. Jansen, L.S. de Vries, J.M.P.J. Breur, R. de Heus and M.J.N.L. BendersAmerican Journal of Neuroradiology May 2019, 40 (5) 885-891; DOI: https://doi.org/10.3174/ajnr.A6021
Berenstein, A.
- InterventionalYou have accessAngiographic and Clinical Features of Noninvoluting Congenital HemangiomasA. Patel, R. De Leacy and A. BerensteinAmerican Journal of Neuroradiology May 2019, 40 (5) 845-848; DOI: https://doi.org/10.3174/ajnr.A6044
Bharatha, A.
- Adult BrainYou have accessThe Central Vein Sign in Radiologically Isolated SyndromeS. Suthiphosuwan, P. Sati, M. Guenette, X. Montalban, D.S. Reich, A. Bharatha and J. OhAmerican Journal of Neuroradiology May 2019, 40 (5) 776-783; DOI: https://doi.org/10.3174/ajnr.A6045
Biegel, J.
- FELLOWS' JOURNAL CLUBPediatricsYou have accessPediatric Atypical Teratoid/Rhabdoid Tumors of the Brain: Identification of Metabolic Subgroups Using In Vivo 1H-MR SpectroscopyB. Tamrazi, S. Venneti, A. Margol, D. Hawes, S.Y. Cen, M. Nelson, A. Judkins, J. Biegel and S. BlümlAmerican Journal of Neuroradiology May 2019, 40 (5) 872-877; DOI: https://doi.org/10.3174/ajnr.A6024
Twenty patients with confirmed atypical teratoid/rhabdoid tumors who underwent MR spectroscopy were included in this study. In vivo metabolite levels of atypical teratoid/rhabdoid tumors were compared with molecular subtypes assessed by achaete-scute homolog 1 expression. In vivo creatine concentrations were higher in tumors that demonstrated achaete-scute homolog 1 expression compared with those without achaete-scute homolog 1 expression. Additionally, levels of myo-inositol were significantly different, whereas lipids approached significance in these 2 cohorts. Higher brain-specific creatine kinase levels were observed in the cohort with achaete-scute homolog 1 expression.
Blasco, G.
- EDITOR'S CHOICEAdult BrainOpen AccessPredicting Motor Outcome in Acute Intracerebral HemorrhageJ. Puig, G. Blasco, M. Terceño, P. Daunis-i-Estadella, G. Schlaug, M. Hernandez-Perez, V. Cuba, G. Carbó, J. Serena, M. Essig, C.R. Figley, K. Nael, C. Leiva-Salinas, S. Pedraza and Y. SilvaAmerican Journal of Neuroradiology May 2019, 40 (5) 769-775; DOI: https://doi.org/10.3174/ajnr.A6038
The authors prospectively studied patients with motor deficits secondary to primary intracerebral hemorrhage within the first 12 hours of symptom onset. Patients underwent multimodal MR imaging including DTI. Intracerebral hemorrhage, perihematomal edema location and volume, and corticospinal tract involvement were assessed. The corticospinal tract was considered affected when the tractogram passed through the intracerebral hemorrhage and/or the perihematomal edema. The authors calculated affected corticospinal tract-to-unaffected corticospinal tract ratios for fractional anisotropy, mean diffusivity, and axial and radial diffusivities. Significant independent predictors of motor outcome were NIHSS and modified NIHSS at admission, posterior limb of the internal capsule involvement by intracerebral hemorrhage at admission, intracerebral hemorrhage volume at admission, 72-hour NIHSS, and 72-hour modified NIHSS. The sensitivity, specificity, and positive and negative predictive values for poor motor outcome at 3 months by a combined modified NIHSS of >6 and posterior limb of the internal capsule involvement in the first 12 hours from symptom onset were 84%, 79%, 65%, and 92%, respectively.
Blüml, S.
- FELLOWS' JOURNAL CLUBPediatricsYou have accessPediatric Atypical Teratoid/Rhabdoid Tumors of the Brain: Identification of Metabolic Subgroups Using In Vivo 1H-MR SpectroscopyB. Tamrazi, S. Venneti, A. Margol, D. Hawes, S.Y. Cen, M. Nelson, A. Judkins, J. Biegel and S. BlümlAmerican Journal of Neuroradiology May 2019, 40 (5) 872-877; DOI: https://doi.org/10.3174/ajnr.A6024
Twenty patients with confirmed atypical teratoid/rhabdoid tumors who underwent MR spectroscopy were included in this study. In vivo metabolite levels of atypical teratoid/rhabdoid tumors were compared with molecular subtypes assessed by achaete-scute homolog 1 expression. In vivo creatine concentrations were higher in tumors that demonstrated achaete-scute homolog 1 expression compared with those without achaete-scute homolog 1 expression. Additionally, levels of myo-inositol were significantly different, whereas lipids approached significance in these 2 cohorts. Higher brain-specific creatine kinase levels were observed in the cohort with achaete-scute homolog 1 expression.
Boespflug-Tanguy, O.
- Adult BrainYou have accessGJA1 Variants Cause Spastic Paraplegia Associated with Cerebral HypomyelinationL. Saint-Val, T. Courtin, P. Charles, C. Verny, M. Catala, R. Schiffmann, O. Boespflug-Tanguy and F. MochelAmerican Journal of Neuroradiology May 2019, 40 (5) 788-791; DOI: https://doi.org/10.3174/ajnr.A6036
Bonafe, A.
- InterventionalYou have accessTreatment of Wide-Neck Intracranial Aneurysms with the Woven EndoBridge Device Associated with Stenting: A Single-Center ExperienceF. Cagnazzo, R. Ahmed, C. Dargazanli, P.-H. Lefevre, G. Gascou, I. Derraz, S.A. Kalmanovich, C. Riquelme, A. Bonafe and V. CostalatAmerican Journal of Neuroradiology May 2019, 40 (5) 820-826; DOI: https://doi.org/10.3174/ajnr.A6032
Bracard, S.
- Adult BrainYou have accessSusceptibility-Weighted Angiography for the Follow-Up of Brain Arteriovenous Malformations Treated with Stereotactic RadiosurgeryS. Finitsis, R. Anxionnat, B. Gory, S. Planel, L. Liao and S. BracardAmerican Journal of Neuroradiology May 2019, 40 (5) 792-797; DOI: https://doi.org/10.3174/ajnr.A6053
Breur, J.M.P.J.
- PediatricsYou have accessBrain and CSF Volumes in Fetuses and Neonates with Antenatal Diagnosis of Critical Congenital Heart Disease: A Longitudinal MRI StudyN.H.P. Claessens, N. Khalili, I. Isgum, H. ter Heide, T.J. Steenhuis, E. Turk, N.J.G. Jansen, L.S. de Vries, J.M.P.J. Breur, R. de Heus and M.J.N.L. BendersAmerican Journal of Neuroradiology May 2019, 40 (5) 885-891; DOI: https://doi.org/10.3174/ajnr.A6021
Buch, K.
- LETTERYou have accessReply:K. Buch, S. Rincon, P. Caruso and J.E. KirschAmerican Journal of Neuroradiology May 2019, 40 (5) E21; DOI: https://doi.org/10.3174/ajnr.A6049
C
Cagnazzo, F.
- InterventionalYou have accessTreatment of Wide-Neck Intracranial Aneurysms with the Woven EndoBridge Device Associated with Stenting: A Single-Center ExperienceF. Cagnazzo, R. Ahmed, C. Dargazanli, P.-H. Lefevre, G. Gascou, I. Derraz, S.A. Kalmanovich, C. Riquelme, A. Bonafe and V. CostalatAmerican Journal of Neuroradiology May 2019, 40 (5) 820-826; DOI: https://doi.org/10.3174/ajnr.A6032
Carbó, G.
- EDITOR'S CHOICEAdult BrainOpen AccessPredicting Motor Outcome in Acute Intracerebral HemorrhageJ. Puig, G. Blasco, M. Terceño, P. Daunis-i-Estadella, G. Schlaug, M. Hernandez-Perez, V. Cuba, G. Carbó, J. Serena, M. Essig, C.R. Figley, K. Nael, C. Leiva-Salinas, S. Pedraza and Y. SilvaAmerican Journal of Neuroradiology May 2019, 40 (5) 769-775; DOI: https://doi.org/10.3174/ajnr.A6038
The authors prospectively studied patients with motor deficits secondary to primary intracerebral hemorrhage within the first 12 hours of symptom onset. Patients underwent multimodal MR imaging including DTI. Intracerebral hemorrhage, perihematomal edema location and volume, and corticospinal tract involvement were assessed. The corticospinal tract was considered affected when the tractogram passed through the intracerebral hemorrhage and/or the perihematomal edema. The authors calculated affected corticospinal tract-to-unaffected corticospinal tract ratios for fractional anisotropy, mean diffusivity, and axial and radial diffusivities. Significant independent predictors of motor outcome were NIHSS and modified NIHSS at admission, posterior limb of the internal capsule involvement by intracerebral hemorrhage at admission, intracerebral hemorrhage volume at admission, 72-hour NIHSS, and 72-hour modified NIHSS. The sensitivity, specificity, and positive and negative predictive values for poor motor outcome at 3 months by a combined modified NIHSS of >6 and posterior limb of the internal capsule involvement in the first 12 hours from symptom onset were 84%, 79%, 65%, and 92%, respectively.
Caruso, P.
- LETTERYou have accessReply:K. Buch, S. Rincon, P. Caruso and J.E. KirschAmerican Journal of Neuroradiology May 2019, 40 (5) E21; DOI: https://doi.org/10.3174/ajnr.A6049
Castillo, M.
- PediatricsYou have accessNeuroimaging Findings in Moebius SequenceD.A. Herrera, N.O. Ruge, M.M. Florez, S.A. Vargas, M. Ochoa-Escudero and M. CastilloAmerican Journal of Neuroradiology May 2019, 40 (5) 862-865; DOI: https://doi.org/10.3174/ajnr.A6028
Catala, M.
- Adult BrainYou have accessGJA1 Variants Cause Spastic Paraplegia Associated with Cerebral HypomyelinationL. Saint-Val, T. Courtin, P. Charles, C. Verny, M. Catala, R. Schiffmann, O. Boespflug-Tanguy and F. MochelAmerican Journal of Neuroradiology May 2019, 40 (5) 788-791; DOI: https://doi.org/10.3174/ajnr.A6036
Cen, S.Y.
- FELLOWS' JOURNAL CLUBPediatricsYou have accessPediatric Atypical Teratoid/Rhabdoid Tumors of the Brain: Identification of Metabolic Subgroups Using In Vivo 1H-MR SpectroscopyB. Tamrazi, S. Venneti, A. Margol, D. Hawes, S.Y. Cen, M. Nelson, A. Judkins, J. Biegel and S. BlümlAmerican Journal of Neuroradiology May 2019, 40 (5) 872-877; DOI: https://doi.org/10.3174/ajnr.A6024
Twenty patients with confirmed atypical teratoid/rhabdoid tumors who underwent MR spectroscopy were included in this study. In vivo metabolite levels of atypical teratoid/rhabdoid tumors were compared with molecular subtypes assessed by achaete-scute homolog 1 expression. In vivo creatine concentrations were higher in tumors that demonstrated achaete-scute homolog 1 expression compared with those without achaete-scute homolog 1 expression. Additionally, levels of myo-inositol were significantly different, whereas lipids approached significance in these 2 cohorts. Higher brain-specific creatine kinase levels were observed in the cohort with achaete-scute homolog 1 expression.
Charles, P.
- Adult BrainYou have accessGJA1 Variants Cause Spastic Paraplegia Associated with Cerebral HypomyelinationL. Saint-Val, T. Courtin, P. Charles, C. Verny, M. Catala, R. Schiffmann, O. Boespflug-Tanguy and F. MochelAmerican Journal of Neuroradiology May 2019, 40 (5) 788-791; DOI: https://doi.org/10.3174/ajnr.A6036
Chin, C.T.
- Head & NeckOpen AccessReduced Jet Velocity in Venous Flow after CSF Drainage: Assessing Hemodynamic Causes of Pulsatile TinnitusH. Haraldsson, J.R. Leach, E.I. Kao, A.G. Wright, S.G. Ammanuel, R.S. Khangura, M.K. Ballweber, C.T. Chin, V.N. Shah, K. Meisel, D.A. Saloner and M.R. AmansAmerican Journal of Neuroradiology May 2019, 40 (5) 849-854; DOI: https://doi.org/10.3174/ajnr.A6043
Choi, H.S.
- InterventionalYou have accessImage Quality of Low-Dose Cerebral Angiography and Effectiveness of Clinical Implementation on Diagnostic and Neurointerventional Procedures for Intracranial AneurysmsJ. Choi, B. Kim, Y. Choi, N.Y. Shin, J. Jang, H.S. Choi, S.L. Jung and K.J. AhnAmerican Journal of Neuroradiology May 2019, 40 (5) 827-833; DOI: https://doi.org/10.3174/ajnr.A6029
Choi, J.
- InterventionalYou have accessImage Quality of Low-Dose Cerebral Angiography and Effectiveness of Clinical Implementation on Diagnostic and Neurointerventional Procedures for Intracranial AneurysmsJ. Choi, B. Kim, Y. Choi, N.Y. Shin, J. Jang, H.S. Choi, S.L. Jung and K.J. AhnAmerican Journal of Neuroradiology May 2019, 40 (5) 827-833; DOI: https://doi.org/10.3174/ajnr.A6029
Choi, Y.
- InterventionalYou have accessImage Quality of Low-Dose Cerebral Angiography and Effectiveness of Clinical Implementation on Diagnostic and Neurointerventional Procedures for Intracranial AneurysmsJ. Choi, B. Kim, Y. Choi, N.Y. Shin, J. Jang, H.S. Choi, S.L. Jung and K.J. AhnAmerican Journal of Neuroradiology May 2019, 40 (5) 827-833; DOI: https://doi.org/10.3174/ajnr.A6029
Cirillo, M.
- PediatricsYou have accessPersisting Embryonal Infundibular Recess in Morning Glory Syndrome: Clinical Report of a Novel AssociationA. D'Amico, L. Ugga, R. Cuocolo, M. Cirillo, A. Grandone and R. ConfortiAmerican Journal of Neuroradiology May 2019, 40 (5) 899-902; DOI: https://doi.org/10.3174/ajnr.A6005
Claessens, N.H.P.
- PediatricsYou have accessBrain and CSF Volumes in Fetuses and Neonates with Antenatal Diagnosis of Critical Congenital Heart Disease: A Longitudinal MRI StudyN.H.P. Claessens, N. Khalili, I. Isgum, H. ter Heide, T.J. Steenhuis, E. Turk, N.J.G. Jansen, L.S. de Vries, J.M.P.J. Breur, R. de Heus and M.J.N.L. BendersAmerican Journal of Neuroradiology May 2019, 40 (5) 885-891; DOI: https://doi.org/10.3174/ajnr.A6021
Conforti, R.
- PediatricsYou have accessPersisting Embryonal Infundibular Recess in Morning Glory Syndrome: Clinical Report of a Novel AssociationA. D'Amico, L. Ugga, R. Cuocolo, M. Cirillo, A. Grandone and R. ConfortiAmerican Journal of Neuroradiology May 2019, 40 (5) 899-902; DOI: https://doi.org/10.3174/ajnr.A6005
Costalat, V.
- InterventionalYou have accessTreatment of Wide-Neck Intracranial Aneurysms with the Woven EndoBridge Device Associated with Stenting: A Single-Center ExperienceF. Cagnazzo, R. Ahmed, C. Dargazanli, P.-H. Lefevre, G. Gascou, I. Derraz, S.A. Kalmanovich, C. Riquelme, A. Bonafe and V. CostalatAmerican Journal of Neuroradiology May 2019, 40 (5) 820-826; DOI: https://doi.org/10.3174/ajnr.A6032
Courtin, T.
- Adult BrainYou have accessGJA1 Variants Cause Spastic Paraplegia Associated with Cerebral HypomyelinationL. Saint-Val, T. Courtin, P. Charles, C. Verny, M. Catala, R. Schiffmann, O. Boespflug-Tanguy and F. MochelAmerican Journal of Neuroradiology May 2019, 40 (5) 788-791; DOI: https://doi.org/10.3174/ajnr.A6036
Cuba, V.
- EDITOR'S CHOICEAdult BrainOpen AccessPredicting Motor Outcome in Acute Intracerebral HemorrhageJ. Puig, G. Blasco, M. Terceño, P. Daunis-i-Estadella, G. Schlaug, M. Hernandez-Perez, V. Cuba, G. Carbó, J. Serena, M. Essig, C.R. Figley, K. Nael, C. Leiva-Salinas, S. Pedraza and Y. SilvaAmerican Journal of Neuroradiology May 2019, 40 (5) 769-775; DOI: https://doi.org/10.3174/ajnr.A6038
The authors prospectively studied patients with motor deficits secondary to primary intracerebral hemorrhage within the first 12 hours of symptom onset. Patients underwent multimodal MR imaging including DTI. Intracerebral hemorrhage, perihematomal edema location and volume, and corticospinal tract involvement were assessed. The corticospinal tract was considered affected when the tractogram passed through the intracerebral hemorrhage and/or the perihematomal edema. The authors calculated affected corticospinal tract-to-unaffected corticospinal tract ratios for fractional anisotropy, mean diffusivity, and axial and radial diffusivities. Significant independent predictors of motor outcome were NIHSS and modified NIHSS at admission, posterior limb of the internal capsule involvement by intracerebral hemorrhage at admission, intracerebral hemorrhage volume at admission, 72-hour NIHSS, and 72-hour modified NIHSS. The sensitivity, specificity, and positive and negative predictive values for poor motor outcome at 3 months by a combined modified NIHSS of >6 and posterior limb of the internal capsule involvement in the first 12 hours from symptom onset were 84%, 79%, 65%, and 92%, respectively.
Cuocolo, R.
- PediatricsYou have accessPersisting Embryonal Infundibular Recess in Morning Glory Syndrome: Clinical Report of a Novel AssociationA. D'Amico, L. Ugga, R. Cuocolo, M. Cirillo, A. Grandone and R. ConfortiAmerican Journal of Neuroradiology May 2019, 40 (5) 899-902; DOI: https://doi.org/10.3174/ajnr.A6005
D
D'Amico, A.
- PediatricsYou have accessPersisting Embryonal Infundibular Recess in Morning Glory Syndrome: Clinical Report of a Novel AssociationA. D'Amico, L. Ugga, R. Cuocolo, M. Cirillo, A. Grandone and R. ConfortiAmerican Journal of Neuroradiology May 2019, 40 (5) 899-902; DOI: https://doi.org/10.3174/ajnr.A6005
Dahi, F.
- Adult BrainYou have accessImage Processing to Improve Detection of Mesial Temporal Sclerosis in AdultsF. Dahi, M.S. Parsons, H.L.P. Orlowski, A. Salter, S. Dahiya and A. SharmaAmerican Journal of Neuroradiology May 2019, 40 (5) 798-801; DOI: https://doi.org/10.3174/ajnr.A6022
Dahiya, S.
- Adult BrainYou have accessImage Processing to Improve Detection of Mesial Temporal Sclerosis in AdultsF. Dahi, M.S. Parsons, H.L.P. Orlowski, A. Salter, S. Dahiya and A. SharmaAmerican Journal of Neuroradiology May 2019, 40 (5) 798-801; DOI: https://doi.org/10.3174/ajnr.A6022
Dargazanli, C.
- InterventionalYou have accessTreatment of Wide-Neck Intracranial Aneurysms with the Woven EndoBridge Device Associated with Stenting: A Single-Center ExperienceF. Cagnazzo, R. Ahmed, C. Dargazanli, P.-H. Lefevre, G. Gascou, I. Derraz, S.A. Kalmanovich, C. Riquelme, A. Bonafe and V. CostalatAmerican Journal of Neuroradiology May 2019, 40 (5) 820-826; DOI: https://doi.org/10.3174/ajnr.A6032
Dasgupta, A.
- LETTERYou have accessRadiogenomics in Medulloblastoma: Can the Human Brain Compete with Artificial Intelligence and Machine Learning?A. Dasgupta and T. GuptaAmerican Journal of Neuroradiology May 2019, 40 (5) E24-E25; DOI: https://doi.org/10.3174/ajnr.A6040
Date, I.
- InterventionalOpen AccessVisualization of Aneurysmal Neck and Dome after Coiling with 3D Multifusion Imaging of Silent MRA and FSE-MR CisternographyT. Satoh, T. Hishikawa, M. Hiramatsu, K. Sugiu and I. DateAmerican Journal of Neuroradiology May 2019, 40 (5) 802-807; DOI: https://doi.org/10.3174/ajnr.A6026
Daunis-i-Estadella, P.
- EDITOR'S CHOICEAdult BrainOpen AccessPredicting Motor Outcome in Acute Intracerebral HemorrhageJ. Puig, G. Blasco, M. Terceño, P. Daunis-i-Estadella, G. Schlaug, M. Hernandez-Perez, V. Cuba, G. Carbó, J. Serena, M. Essig, C.R. Figley, K. Nael, C. Leiva-Salinas, S. Pedraza and Y. SilvaAmerican Journal of Neuroradiology May 2019, 40 (5) 769-775; DOI: https://doi.org/10.3174/ajnr.A6038
The authors prospectively studied patients with motor deficits secondary to primary intracerebral hemorrhage within the first 12 hours of symptom onset. Patients underwent multimodal MR imaging including DTI. Intracerebral hemorrhage, perihematomal edema location and volume, and corticospinal tract involvement were assessed. The corticospinal tract was considered affected when the tractogram passed through the intracerebral hemorrhage and/or the perihematomal edema. The authors calculated affected corticospinal tract-to-unaffected corticospinal tract ratios for fractional anisotropy, mean diffusivity, and axial and radial diffusivities. Significant independent predictors of motor outcome were NIHSS and modified NIHSS at admission, posterior limb of the internal capsule involvement by intracerebral hemorrhage at admission, intracerebral hemorrhage volume at admission, 72-hour NIHSS, and 72-hour modified NIHSS. The sensitivity, specificity, and positive and negative predictive values for poor motor outcome at 3 months by a combined modified NIHSS of >6 and posterior limb of the internal capsule involvement in the first 12 hours from symptom onset were 84%, 79%, 65%, and 92%, respectively.
de Heus, R.
- PediatricsYou have accessBrain and CSF Volumes in Fetuses and Neonates with Antenatal Diagnosis of Critical Congenital Heart Disease: A Longitudinal MRI StudyN.H.P. Claessens, N. Khalili, I. Isgum, H. ter Heide, T.J. Steenhuis, E. Turk, N.J.G. Jansen, L.S. de Vries, J.M.P.J. Breur, R. de Heus and M.J.N.L. BendersAmerican Journal of Neuroradiology May 2019, 40 (5) 885-891; DOI: https://doi.org/10.3174/ajnr.A6021
Dekeyzer, S.
- Adult BrainYou have accessIncreased Water Content in Periventricular Caps in Patients without Acute HydrocephalusT. Sichtermann, J.K. Furtmann, S. Dekeyzer, G. Gilmour, A.M. Oros-Peusquens, J.P. Bach, M. Wiesmann, N.J. Shah and O. NikoubashmanAmerican Journal of Neuroradiology May 2019, 40 (5) 784-787; DOI: https://doi.org/10.3174/ajnr.A6033
De Leacy, R.
- InterventionalYou have accessAngiographic and Clinical Features of Noninvoluting Congenital HemangiomasA. Patel, R. De Leacy and A. BerensteinAmerican Journal of Neuroradiology May 2019, 40 (5) 845-848; DOI: https://doi.org/10.3174/ajnr.A6044
Derraz, I.
- InterventionalYou have accessTreatment of Wide-Neck Intracranial Aneurysms with the Woven EndoBridge Device Associated with Stenting: A Single-Center ExperienceF. Cagnazzo, R. Ahmed, C. Dargazanli, P.-H. Lefevre, G. Gascou, I. Derraz, S.A. Kalmanovich, C. Riquelme, A. Bonafe and V. CostalatAmerican Journal of Neuroradiology May 2019, 40 (5) 820-826; DOI: https://doi.org/10.3174/ajnr.A6032
de Vries, L.S.
- PediatricsYou have accessBrain and CSF Volumes in Fetuses and Neonates with Antenatal Diagnosis of Critical Congenital Heart Disease: A Longitudinal MRI StudyN.H.P. Claessens, N. Khalili, I. Isgum, H. ter Heide, T.J. Steenhuis, E. Turk, N.J.G. Jansen, L.S. de Vries, J.M.P.J. Breur, R. de Heus and M.J.N.L. BendersAmerican Journal of Neuroradiology May 2019, 40 (5) 885-891; DOI: https://doi.org/10.3174/ajnr.A6021
Diehn, F.E.
- EDITOR'S CHOICESpineOpen AccessLumbar Spinal Stenosis Severity by CT or MRI Does Not Predict Response to Epidural Corticosteroid versus Lidocaine InjectionsF.A. Perez, S. Quinet, J.G. Jarvik, Q.T. Nguyen, E. Aghayev, D. Jitjai, W.D. Hwang, E.R. Jarvik, S.S. Nedeljkovic, A.L. Avins, J.M. Schwalb, F.E. Diehn, C.J. Standaert, D.R. Nerenz, T. Annaswamy, Z. Bauer, D. Haynor, P.J. Heagerty and J.L. FriedlyAmerican Journal of Neuroradiology May 2019, 40 (5) 908-915; DOI: https://doi.org/10.3174/ajnr.A6050
In this secondary analysis of the CT and MR imaging studies of the prospective, double-blind Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS) trial participants, the authors found no differences in baseline imaging characteristics between those receiving epidural corticosteroid and lidocaine and those receiving lidocaine alone injections. No imaging measures of spinal stenosis were associated with a differential response to corticosteroids, indicating that imaging parameters of spinal stenosis did not predict a response to epidural corticosteroids.
E
Escott, E.J.
- Head & NeckYou have accessThe Black Turbinate Sign, A Potential Diagnostic Pitfall: Evaluation of the Normal Enhancement Patterns of the Nasal TurbinatesQ. Han and E.J. EscottAmerican Journal of Neuroradiology May 2019, 40 (5) 855-861; DOI: https://doi.org/10.3174/ajnr.A6037
Essig, M.
- EDITOR'S CHOICEAdult BrainOpen AccessPredicting Motor Outcome in Acute Intracerebral HemorrhageJ. Puig, G. Blasco, M. Terceño, P. Daunis-i-Estadella, G. Schlaug, M. Hernandez-Perez, V. Cuba, G. Carbó, J. Serena, M. Essig, C.R. Figley, K. Nael, C. Leiva-Salinas, S. Pedraza and Y. SilvaAmerican Journal of Neuroradiology May 2019, 40 (5) 769-775; DOI: https://doi.org/10.3174/ajnr.A6038
The authors prospectively studied patients with motor deficits secondary to primary intracerebral hemorrhage within the first 12 hours of symptom onset. Patients underwent multimodal MR imaging including DTI. Intracerebral hemorrhage, perihematomal edema location and volume, and corticospinal tract involvement were assessed. The corticospinal tract was considered affected when the tractogram passed through the intracerebral hemorrhage and/or the perihematomal edema. The authors calculated affected corticospinal tract-to-unaffected corticospinal tract ratios for fractional anisotropy, mean diffusivity, and axial and radial diffusivities. Significant independent predictors of motor outcome were NIHSS and modified NIHSS at admission, posterior limb of the internal capsule involvement by intracerebral hemorrhage at admission, intracerebral hemorrhage volume at admission, 72-hour NIHSS, and 72-hour modified NIHSS. The sensitivity, specificity, and positive and negative predictive values for poor motor outcome at 3 months by a combined modified NIHSS of >6 and posterior limb of the internal capsule involvement in the first 12 hours from symptom onset were 84%, 79%, 65%, and 92%, respectively.
F
Figley, C.R.
- EDITOR'S CHOICEAdult BrainOpen AccessPredicting Motor Outcome in Acute Intracerebral HemorrhageJ. Puig, G. Blasco, M. Terceño, P. Daunis-i-Estadella, G. Schlaug, M. Hernandez-Perez, V. Cuba, G. Carbó, J. Serena, M. Essig, C.R. Figley, K. Nael, C. Leiva-Salinas, S. Pedraza and Y. SilvaAmerican Journal of Neuroradiology May 2019, 40 (5) 769-775; DOI: https://doi.org/10.3174/ajnr.A6038
The authors prospectively studied patients with motor deficits secondary to primary intracerebral hemorrhage within the first 12 hours of symptom onset. Patients underwent multimodal MR imaging including DTI. Intracerebral hemorrhage, perihematomal edema location and volume, and corticospinal tract involvement were assessed. The corticospinal tract was considered affected when the tractogram passed through the intracerebral hemorrhage and/or the perihematomal edema. The authors calculated affected corticospinal tract-to-unaffected corticospinal tract ratios for fractional anisotropy, mean diffusivity, and axial and radial diffusivities. Significant independent predictors of motor outcome were NIHSS and modified NIHSS at admission, posterior limb of the internal capsule involvement by intracerebral hemorrhage at admission, intracerebral hemorrhage volume at admission, 72-hour NIHSS, and 72-hour modified NIHSS. The sensitivity, specificity, and positive and negative predictive values for poor motor outcome at 3 months by a combined modified NIHSS of >6 and posterior limb of the internal capsule involvement in the first 12 hours from symptom onset were 84%, 79%, 65%, and 92%, respectively.
Finitsis, S.
- Adult BrainYou have accessSusceptibility-Weighted Angiography for the Follow-Up of Brain Arteriovenous Malformations Treated with Stereotactic RadiosurgeryS. Finitsis, R. Anxionnat, B. Gory, S. Planel, L. Liao and S. BracardAmerican Journal of Neuroradiology May 2019, 40 (5) 792-797; DOI: https://doi.org/10.3174/ajnr.A6053
Florez, M.M.
- PediatricsYou have accessNeuroimaging Findings in Moebius SequenceD.A. Herrera, N.O. Ruge, M.M. Florez, S.A. Vargas, M. Ochoa-Escudero and M. CastilloAmerican Journal of Neuroradiology May 2019, 40 (5) 862-865; DOI: https://doi.org/10.3174/ajnr.A6028
Friedly, J.L.
- EDITOR'S CHOICESpineOpen AccessLumbar Spinal Stenosis Severity by CT or MRI Does Not Predict Response to Epidural Corticosteroid versus Lidocaine InjectionsF.A. Perez, S. Quinet, J.G. Jarvik, Q.T. Nguyen, E. Aghayev, D. Jitjai, W.D. Hwang, E.R. Jarvik, S.S. Nedeljkovic, A.L. Avins, J.M. Schwalb, F.E. Diehn, C.J. Standaert, D.R. Nerenz, T. Annaswamy, Z. Bauer, D. Haynor, P.J. Heagerty and J.L. FriedlyAmerican Journal of Neuroradiology May 2019, 40 (5) 908-915; DOI: https://doi.org/10.3174/ajnr.A6050
In this secondary analysis of the CT and MR imaging studies of the prospective, double-blind Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS) trial participants, the authors found no differences in baseline imaging characteristics between those receiving epidural corticosteroid and lidocaine and those receiving lidocaine alone injections. No imaging measures of spinal stenosis were associated with a differential response to corticosteroids, indicating that imaging parameters of spinal stenosis did not predict a response to epidural corticosteroids.
Fujii, T.
- EDITOR'S CHOICEInterventionalYou have accessUsefulness of Silent MR Angiography for Intracranial Aneurysms Treated with a Flow-Diverter DeviceH. Oishi, T. Fujii, M. Suzuki, N. Takano, K. Teranishi, K. Yatomi, T. Kitamura, M. Yamamoto, S. Aoki and H. AraiAmerican Journal of Neuroradiology May 2019, 40 (5) 808-814; DOI: https://doi.org/10.3174/ajnr.A6047
Silent MRA is a procedure using an ultrashort TE and arterial spin-labeling techniques, which efficiently visualizes the status after the treatment of intracranial aneurysms. In Silent MRA, the 3D image is reconstructed by subtracting the control image from the image obtained by the labeling pulse. Seventy-eight large, unruptured internal carotid aneurysms in 78 patients were the subjects of this study. After 6 months of treatment, they underwent follow-up digital subtraction angiography, Silent MRA, and TOF-MRA, performed simultaneously. The authors found Silent MRA is superior for visualizing blood flow images inside flow-diverter devices compared with TOF-MRA. Furthermore, Silent MRA enables the assessment of aneurysmal embolization status. Silent MRA is useful for assessing the status of large and giant unruptured internal carotid aneurysms after flow-diverter placement.
Fukuda, S.
- InterventionalOpen AccessDifferences in Cerebral Aneurysm Rupture Rate According to Arterial Anatomies Depend on the Hemodynamic EnvironmentS. Fukuda, Y. Shimogonya and N. Yonemoto on behalf of the CFD ABO Study GroupAmerican Journal of Neuroradiology May 2019, 40 (5) 834-839; DOI: https://doi.org/10.3174/ajnr.A6030
Furtmann, J.K.
- Adult BrainYou have accessIncreased Water Content in Periventricular Caps in Patients without Acute HydrocephalusT. Sichtermann, J.K. Furtmann, S. Dekeyzer, G. Gilmour, A.M. Oros-Peusquens, J.P. Bach, M. Wiesmann, N.J. Shah and O. NikoubashmanAmerican Journal of Neuroradiology May 2019, 40 (5) 784-787; DOI: https://doi.org/10.3174/ajnr.A6033
G
Gaillard, F.
- Adult BrainOpen AccessNon-Contrast-Enhancing Tumor: A New Frontier in Glioblastoma ResearchA. Lasocki and F. GaillardAmerican Journal of Neuroradiology May 2019, 40 (5) 758-765; DOI: https://doi.org/10.3174/ajnr.A6025
Gascou, G.
- InterventionalYou have accessTreatment of Wide-Neck Intracranial Aneurysms with the Woven EndoBridge Device Associated with Stenting: A Single-Center ExperienceF. Cagnazzo, R. Ahmed, C. Dargazanli, P.-H. Lefevre, G. Gascou, I. Derraz, S.A. Kalmanovich, C. Riquelme, A. Bonafe and V. CostalatAmerican Journal of Neuroradiology May 2019, 40 (5) 820-826; DOI: https://doi.org/10.3174/ajnr.A6032
Gilmour, G.
- Adult BrainYou have accessIncreased Water Content in Periventricular Caps in Patients without Acute HydrocephalusT. Sichtermann, J.K. Furtmann, S. Dekeyzer, G. Gilmour, A.M. Oros-Peusquens, J.P. Bach, M. Wiesmann, N.J. Shah and O. NikoubashmanAmerican Journal of Neuroradiology May 2019, 40 (5) 784-787; DOI: https://doi.org/10.3174/ajnr.A6033
Gory, B.
- Adult BrainYou have accessSusceptibility-Weighted Angiography for the Follow-Up of Brain Arteriovenous Malformations Treated with Stereotactic RadiosurgeryS. Finitsis, R. Anxionnat, B. Gory, S. Planel, L. Liao and S. BracardAmerican Journal of Neuroradiology May 2019, 40 (5) 792-797; DOI: https://doi.org/10.3174/ajnr.A6053
Grandone, A.
- PediatricsYou have accessPersisting Embryonal Infundibular Recess in Morning Glory Syndrome: Clinical Report of a Novel AssociationA. D'Amico, L. Ugga, R. Cuocolo, M. Cirillo, A. Grandone and R. ConfortiAmerican Journal of Neuroradiology May 2019, 40 (5) 899-902; DOI: https://doi.org/10.3174/ajnr.A6005
Guenette, M.
- Adult BrainYou have accessThe Central Vein Sign in Radiologically Isolated SyndromeS. Suthiphosuwan, P. Sati, M. Guenette, X. Montalban, D.S. Reich, A. Bharatha and J. OhAmerican Journal of Neuroradiology May 2019, 40 (5) 776-783; DOI: https://doi.org/10.3174/ajnr.A6045
Gupta, T.
- LETTERYou have accessRadiogenomics in Medulloblastoma: Can the Human Brain Compete with Artificial Intelligence and Machine Learning?A. Dasgupta and T. GuptaAmerican Journal of Neuroradiology May 2019, 40 (5) E24-E25; DOI: https://doi.org/10.3174/ajnr.A6040
H
Han, Q.
- Head & NeckYou have accessThe Black Turbinate Sign, A Potential Diagnostic Pitfall: Evaluation of the Normal Enhancement Patterns of the Nasal TurbinatesQ. Han and E.J. EscottAmerican Journal of Neuroradiology May 2019, 40 (5) 855-861; DOI: https://doi.org/10.3174/ajnr.A6037
Haraldsson, H.
- Head & NeckOpen AccessReduced Jet Velocity in Venous Flow after CSF Drainage: Assessing Hemodynamic Causes of Pulsatile TinnitusH. Haraldsson, J.R. Leach, E.I. Kao, A.G. Wright, S.G. Ammanuel, R.S. Khangura, M.K. Ballweber, C.T. Chin, V.N. Shah, K. Meisel, D.A. Saloner and M.R. AmansAmerican Journal of Neuroradiology May 2019, 40 (5) 849-854; DOI: https://doi.org/10.3174/ajnr.A6043
Harting, I.
- PediatricsYou have accessOculodentodigital Dysplasia: A Hypomyelinating Leukodystrophy with a Characteristic MRI Pattern of Brain Stem InvolvementI. Harting, S. Karch, U. Moog, A. Seitz, P.J.W. Pouwels and N.I. WolfAmerican Journal of Neuroradiology May 2019, 40 (5) 903-907; DOI: https://doi.org/10.3174/ajnr.A6051
Hata, N.
- FELLOWS' JOURNAL CLUBPediatricsOpen AccessIntravoxel Incoherent Motion MR Imaging of Pediatric Intracranial Tumors: Correlation with Histology and Diagnostic UtilityK. Kikuchi, A. Hiwatashi, O. Togao, K. Yamashita, R. Kamei, D. Momosaka, N. Hata, K. Iihara, S.O. Suzuki, T. Iwaki and H. HondaAmerican Journal of Neuroradiology May 2019, 40 (5) 878-884; DOI: https://doi.org/10.3174/ajnr.A6052
Between April 2013 and September 2015, seventeen children with intracranial tumors were included in this retrospective study. Intravoxel incoherent motion parameters were fitted using 13 b-values for a biexponential model. The perfusion-free diffusion coefficient, pseudodiffusion coefficient, and perfusion fraction were measured in high- and low-grade tumors. The authors found significant correlations between the histology and IVIM parameters of different pediatric intracranial tumors. These results suggest that IVIM imaging reflects cell density and vascularity across different types of pediatric brain tumors. They also demonstrated that both the diffusion and perfusion parameters measured on IVIM imaging are useful for grading intracranial neuroectodermal tumors in pediatric patients.
Hawes, D.
- FELLOWS' JOURNAL CLUBPediatricsYou have accessPediatric Atypical Teratoid/Rhabdoid Tumors of the Brain: Identification of Metabolic Subgroups Using In Vivo 1H-MR SpectroscopyB. Tamrazi, S. Venneti, A. Margol, D. Hawes, S.Y. Cen, M. Nelson, A. Judkins, J. Biegel and S. BlümlAmerican Journal of Neuroradiology May 2019, 40 (5) 872-877; DOI: https://doi.org/10.3174/ajnr.A6024
Twenty patients with confirmed atypical teratoid/rhabdoid tumors who underwent MR spectroscopy were included in this study. In vivo metabolite levels of atypical teratoid/rhabdoid tumors were compared with molecular subtypes assessed by achaete-scute homolog 1 expression. In vivo creatine concentrations were higher in tumors that demonstrated achaete-scute homolog 1 expression compared with those without achaete-scute homolog 1 expression. Additionally, levels of myo-inositol were significantly different, whereas lipids approached significance in these 2 cohorts. Higher brain-specific creatine kinase levels were observed in the cohort with achaete-scute homolog 1 expression.
Haynor, D.
- EDITOR'S CHOICESpineOpen AccessLumbar Spinal Stenosis Severity by CT or MRI Does Not Predict Response to Epidural Corticosteroid versus Lidocaine InjectionsF.A. Perez, S. Quinet, J.G. Jarvik, Q.T. Nguyen, E. Aghayev, D. Jitjai, W.D. Hwang, E.R. Jarvik, S.S. Nedeljkovic, A.L. Avins, J.M. Schwalb, F.E. Diehn, C.J. Standaert, D.R. Nerenz, T. Annaswamy, Z. Bauer, D. Haynor, P.J. Heagerty and J.L. FriedlyAmerican Journal of Neuroradiology May 2019, 40 (5) 908-915; DOI: https://doi.org/10.3174/ajnr.A6050
In this secondary analysis of the CT and MR imaging studies of the prospective, double-blind Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS) trial participants, the authors found no differences in baseline imaging characteristics between those receiving epidural corticosteroid and lidocaine and those receiving lidocaine alone injections. No imaging measures of spinal stenosis were associated with a differential response to corticosteroids, indicating that imaging parameters of spinal stenosis did not predict a response to epidural corticosteroids.
Heagerty, P.J.
- EDITOR'S CHOICESpineOpen AccessLumbar Spinal Stenosis Severity by CT or MRI Does Not Predict Response to Epidural Corticosteroid versus Lidocaine InjectionsF.A. Perez, S. Quinet, J.G. Jarvik, Q.T. Nguyen, E. Aghayev, D. Jitjai, W.D. Hwang, E.R. Jarvik, S.S. Nedeljkovic, A.L. Avins, J.M. Schwalb, F.E. Diehn, C.J. Standaert, D.R. Nerenz, T. Annaswamy, Z. Bauer, D. Haynor, P.J. Heagerty and J.L. FriedlyAmerican Journal of Neuroradiology May 2019, 40 (5) 908-915; DOI: https://doi.org/10.3174/ajnr.A6050
In this secondary analysis of the CT and MR imaging studies of the prospective, double-blind Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS) trial participants, the authors found no differences in baseline imaging characteristics between those receiving epidural corticosteroid and lidocaine and those receiving lidocaine alone injections. No imaging measures of spinal stenosis were associated with a differential response to corticosteroids, indicating that imaging parameters of spinal stenosis did not predict a response to epidural corticosteroids.
Heo, Y.J.
- InterventionalYou have accessPointwise Encoding Time Reduction with Radial Acquisition with Subtraction-Based MRA during the Follow-Up of Stent-Assisted Coil Embolization of Anterior Circulation AneurysmsY.J. Heo, H.W. Jeong, J.W. Baek, S.T. Kim, Y.G. Jeong, J.Y. Lee and S.-C. JinAmerican Journal of Neuroradiology May 2019, 40 (5) 815-819; DOI: https://doi.org/10.3174/ajnr.A6035
Hernandez-Perez, M.
- EDITOR'S CHOICEAdult BrainOpen AccessPredicting Motor Outcome in Acute Intracerebral HemorrhageJ. Puig, G. Blasco, M. Terceño, P. Daunis-i-Estadella, G. Schlaug, M. Hernandez-Perez, V. Cuba, G. Carbó, J. Serena, M. Essig, C.R. Figley, K. Nael, C. Leiva-Salinas, S. Pedraza and Y. SilvaAmerican Journal of Neuroradiology May 2019, 40 (5) 769-775; DOI: https://doi.org/10.3174/ajnr.A6038
The authors prospectively studied patients with motor deficits secondary to primary intracerebral hemorrhage within the first 12 hours of symptom onset. Patients underwent multimodal MR imaging including DTI. Intracerebral hemorrhage, perihematomal edema location and volume, and corticospinal tract involvement were assessed. The corticospinal tract was considered affected when the tractogram passed through the intracerebral hemorrhage and/or the perihematomal edema. The authors calculated affected corticospinal tract-to-unaffected corticospinal tract ratios for fractional anisotropy, mean diffusivity, and axial and radial diffusivities. Significant independent predictors of motor outcome were NIHSS and modified NIHSS at admission, posterior limb of the internal capsule involvement by intracerebral hemorrhage at admission, intracerebral hemorrhage volume at admission, 72-hour NIHSS, and 72-hour modified NIHSS. The sensitivity, specificity, and positive and negative predictive values for poor motor outcome at 3 months by a combined modified NIHSS of >6 and posterior limb of the internal capsule involvement in the first 12 hours from symptom onset were 84%, 79%, 65%, and 92%, respectively.
Herrera, D.A.
- PediatricsYou have accessNeuroimaging Findings in Moebius SequenceD.A. Herrera, N.O. Ruge, M.M. Florez, S.A. Vargas, M. Ochoa-Escudero and M. CastilloAmerican Journal of Neuroradiology May 2019, 40 (5) 862-865; DOI: https://doi.org/10.3174/ajnr.A6028
Hiramatsu, M.
- InterventionalOpen AccessVisualization of Aneurysmal Neck and Dome after Coiling with 3D Multifusion Imaging of Silent MRA and FSE-MR CisternographyT. Satoh, T. Hishikawa, M. Hiramatsu, K. Sugiu and I. DateAmerican Journal of Neuroradiology May 2019, 40 (5) 802-807; DOI: https://doi.org/10.3174/ajnr.A6026
Hishikawa, T.
- InterventionalOpen AccessVisualization of Aneurysmal Neck and Dome after Coiling with 3D Multifusion Imaging of Silent MRA and FSE-MR CisternographyT. Satoh, T. Hishikawa, M. Hiramatsu, K. Sugiu and I. DateAmerican Journal of Neuroradiology May 2019, 40 (5) 802-807; DOI: https://doi.org/10.3174/ajnr.A6026
Hiwatashi, A.
- FELLOWS' JOURNAL CLUBPediatricsOpen AccessIntravoxel Incoherent Motion MR Imaging of Pediatric Intracranial Tumors: Correlation with Histology and Diagnostic UtilityK. Kikuchi, A. Hiwatashi, O. Togao, K. Yamashita, R. Kamei, D. Momosaka, N. Hata, K. Iihara, S.O. Suzuki, T. Iwaki and H. HondaAmerican Journal of Neuroradiology May 2019, 40 (5) 878-884; DOI: https://doi.org/10.3174/ajnr.A6052
Between April 2013 and September 2015, seventeen children with intracranial tumors were included in this retrospective study. Intravoxel incoherent motion parameters were fitted using 13 b-values for a biexponential model. The perfusion-free diffusion coefficient, pseudodiffusion coefficient, and perfusion fraction were measured in high- and low-grade tumors. The authors found significant correlations between the histology and IVIM parameters of different pediatric intracranial tumors. These results suggest that IVIM imaging reflects cell density and vascularity across different types of pediatric brain tumors. They also demonstrated that both the diffusion and perfusion parameters measured on IVIM imaging are useful for grading intracranial neuroectodermal tumors in pediatric patients.
Honda, H.
- FELLOWS' JOURNAL CLUBPediatricsOpen AccessIntravoxel Incoherent Motion MR Imaging of Pediatric Intracranial Tumors: Correlation with Histology and Diagnostic UtilityK. Kikuchi, A. Hiwatashi, O. Togao, K. Yamashita, R. Kamei, D. Momosaka, N. Hata, K. Iihara, S.O. Suzuki, T. Iwaki and H. HondaAmerican Journal of Neuroradiology May 2019, 40 (5) 878-884; DOI: https://doi.org/10.3174/ajnr.A6052
Between April 2013 and September 2015, seventeen children with intracranial tumors were included in this retrospective study. Intravoxel incoherent motion parameters were fitted using 13 b-values for a biexponential model. The perfusion-free diffusion coefficient, pseudodiffusion coefficient, and perfusion fraction were measured in high- and low-grade tumors. The authors found significant correlations between the histology and IVIM parameters of different pediatric intracranial tumors. These results suggest that IVIM imaging reflects cell density and vascularity across different types of pediatric brain tumors. They also demonstrated that both the diffusion and perfusion parameters measured on IVIM imaging are useful for grading intracranial neuroectodermal tumors in pediatric patients.
Huang, Y.-C.
- SpineYou have accessAssessing Vascularity of Osseous Spinal Metastases with Dual-Energy CT-DSA: A Pilot Study Compared with Catheter AngiographyY.-C. Huang, F.-Y. Tsuang, C.-W. Lee, C.-Y. Wu and Y.-H. LinAmerican Journal of Neuroradiology May 2019, 40 (5) 920-925; DOI: https://doi.org/10.3174/ajnr.A6023
Huda, F.
- You have accessChimeric Antigen Receptor T-Cell Therapy: What the Neuroradiologist Needs to KnowH.A. Valand, F. Huda and R.K. TuAmerican Journal of Neuroradiology May 2019, 40 (5) 766-768; DOI: https://doi.org/10.3174/ajnr.A6042
Hwang, W.
- InterventionalYou have accessImpact of Balloon-Guiding Catheter Location on Recanalization in Patients with Acute Stroke Treated by Mechanical ThrombectomyD.E. Jeong, J.W. Kim, B.M. Kim, W. Hwang and D.J. KimAmerican Journal of Neuroradiology May 2019, 40 (5) 840-844; DOI: https://doi.org/10.3174/ajnr.A6031
Hwang, W.D.
- EDITOR'S CHOICESpineOpen AccessLumbar Spinal Stenosis Severity by CT or MRI Does Not Predict Response to Epidural Corticosteroid versus Lidocaine InjectionsF.A. Perez, S. Quinet, J.G. Jarvik, Q.T. Nguyen, E. Aghayev, D. Jitjai, W.D. Hwang, E.R. Jarvik, S.S. Nedeljkovic, A.L. Avins, J.M. Schwalb, F.E. Diehn, C.J. Standaert, D.R. Nerenz, T. Annaswamy, Z. Bauer, D. Haynor, P.J. Heagerty and J.L. FriedlyAmerican Journal of Neuroradiology May 2019, 40 (5) 908-915; DOI: https://doi.org/10.3174/ajnr.A6050
In this secondary analysis of the CT and MR imaging studies of the prospective, double-blind Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS) trial participants, the authors found no differences in baseline imaging characteristics between those receiving epidural corticosteroid and lidocaine and those receiving lidocaine alone injections. No imaging measures of spinal stenosis were associated with a differential response to corticosteroids, indicating that imaging parameters of spinal stenosis did not predict a response to epidural corticosteroids.
I
Iihara, K.
- FELLOWS' JOURNAL CLUBPediatricsOpen AccessIntravoxel Incoherent Motion MR Imaging of Pediatric Intracranial Tumors: Correlation with Histology and Diagnostic UtilityK. Kikuchi, A. Hiwatashi, O. Togao, K. Yamashita, R. Kamei, D. Momosaka, N. Hata, K. Iihara, S.O. Suzuki, T. Iwaki and H. HondaAmerican Journal of Neuroradiology May 2019, 40 (5) 878-884; DOI: https://doi.org/10.3174/ajnr.A6052
Between April 2013 and September 2015, seventeen children with intracranial tumors were included in this retrospective study. Intravoxel incoherent motion parameters were fitted using 13 b-values for a biexponential model. The perfusion-free diffusion coefficient, pseudodiffusion coefficient, and perfusion fraction were measured in high- and low-grade tumors. The authors found significant correlations between the histology and IVIM parameters of different pediatric intracranial tumors. These results suggest that IVIM imaging reflects cell density and vascularity across different types of pediatric brain tumors. They also demonstrated that both the diffusion and perfusion parameters measured on IVIM imaging are useful for grading intracranial neuroectodermal tumors in pediatric patients.
Isgum, I.
- PediatricsYou have accessBrain and CSF Volumes in Fetuses and Neonates with Antenatal Diagnosis of Critical Congenital Heart Disease: A Longitudinal MRI StudyN.H.P. Claessens, N. Khalili, I. Isgum, H. ter Heide, T.J. Steenhuis, E. Turk, N.J.G. Jansen, L.S. de Vries, J.M.P.J. Breur, R. de Heus and M.J.N.L. BendersAmerican Journal of Neuroradiology May 2019, 40 (5) 885-891; DOI: https://doi.org/10.3174/ajnr.A6021
Iwaki, T.
- FELLOWS' JOURNAL CLUBPediatricsOpen AccessIntravoxel Incoherent Motion MR Imaging of Pediatric Intracranial Tumors: Correlation with Histology and Diagnostic UtilityK. Kikuchi, A. Hiwatashi, O. Togao, K. Yamashita, R. Kamei, D. Momosaka, N. Hata, K. Iihara, S.O. Suzuki, T. Iwaki and H. HondaAmerican Journal of Neuroradiology May 2019, 40 (5) 878-884; DOI: https://doi.org/10.3174/ajnr.A6052
Between April 2013 and September 2015, seventeen children with intracranial tumors were included in this retrospective study. Intravoxel incoherent motion parameters were fitted using 13 b-values for a biexponential model. The perfusion-free diffusion coefficient, pseudodiffusion coefficient, and perfusion fraction were measured in high- and low-grade tumors. The authors found significant correlations between the histology and IVIM parameters of different pediatric intracranial tumors. These results suggest that IVIM imaging reflects cell density and vascularity across different types of pediatric brain tumors. They also demonstrated that both the diffusion and perfusion parameters measured on IVIM imaging are useful for grading intracranial neuroectodermal tumors in pediatric patients.
J
Jang, J.
- InterventionalYou have accessImage Quality of Low-Dose Cerebral Angiography and Effectiveness of Clinical Implementation on Diagnostic and Neurointerventional Procedures for Intracranial AneurysmsJ. Choi, B. Kim, Y. Choi, N.Y. Shin, J. Jang, H.S. Choi, S.L. Jung and K.J. AhnAmerican Journal of Neuroradiology May 2019, 40 (5) 827-833; DOI: https://doi.org/10.3174/ajnr.A6029
Jansen, N.J.G.
- PediatricsYou have accessBrain and CSF Volumes in Fetuses and Neonates with Antenatal Diagnosis of Critical Congenital Heart Disease: A Longitudinal MRI StudyN.H.P. Claessens, N. Khalili, I. Isgum, H. ter Heide, T.J. Steenhuis, E. Turk, N.J.G. Jansen, L.S. de Vries, J.M.P.J. Breur, R. de Heus and M.J.N.L. BendersAmerican Journal of Neuroradiology May 2019, 40 (5) 885-891; DOI: https://doi.org/10.3174/ajnr.A6021
Jarvik, E.R.
- EDITOR'S CHOICESpineOpen AccessLumbar Spinal Stenosis Severity by CT or MRI Does Not Predict Response to Epidural Corticosteroid versus Lidocaine InjectionsF.A. Perez, S. Quinet, J.G. Jarvik, Q.T. Nguyen, E. Aghayev, D. Jitjai, W.D. Hwang, E.R. Jarvik, S.S. Nedeljkovic, A.L. Avins, J.M. Schwalb, F.E. Diehn, C.J. Standaert, D.R. Nerenz, T. Annaswamy, Z. Bauer, D. Haynor, P.J. Heagerty and J.L. FriedlyAmerican Journal of Neuroradiology May 2019, 40 (5) 908-915; DOI: https://doi.org/10.3174/ajnr.A6050
In this secondary analysis of the CT and MR imaging studies of the prospective, double-blind Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS) trial participants, the authors found no differences in baseline imaging characteristics between those receiving epidural corticosteroid and lidocaine and those receiving lidocaine alone injections. No imaging measures of spinal stenosis were associated with a differential response to corticosteroids, indicating that imaging parameters of spinal stenosis did not predict a response to epidural corticosteroids.
Jarvik, J.G.
- EDITOR'S CHOICESpineOpen AccessLumbar Spinal Stenosis Severity by CT or MRI Does Not Predict Response to Epidural Corticosteroid versus Lidocaine InjectionsF.A. Perez, S. Quinet, J.G. Jarvik, Q.T. Nguyen, E. Aghayev, D. Jitjai, W.D. Hwang, E.R. Jarvik, S.S. Nedeljkovic, A.L. Avins, J.M. Schwalb, F.E. Diehn, C.J. Standaert, D.R. Nerenz, T. Annaswamy, Z. Bauer, D. Haynor, P.J. Heagerty and J.L. FriedlyAmerican Journal of Neuroradiology May 2019, 40 (5) 908-915; DOI: https://doi.org/10.3174/ajnr.A6050
In this secondary analysis of the CT and MR imaging studies of the prospective, double-blind Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS) trial participants, the authors found no differences in baseline imaging characteristics between those receiving epidural corticosteroid and lidocaine and those receiving lidocaine alone injections. No imaging measures of spinal stenosis were associated with a differential response to corticosteroids, indicating that imaging parameters of spinal stenosis did not predict a response to epidural corticosteroids.
Jayalakshmi, S.
- FELLOWS' JOURNAL CLUBPediatricsYou have accessFocal Cortical Dysplasia and Refractory Epilepsy: Role of Multimodality Imaging and Outcome of SurgeryS. Jayalakshmi, S.K. Nanda, S. Vooturi, R. Vadapalli, P. Sudhakar, S. Madigubba and M. PanigrahiAmerican Journal of Neuroradiology May 2019, 40 (5) 892-898; DOI: https://doi.org/10.3174/ajnr.A6041
The authors performed a retrospective analysis of data from 188 consecutive patients with focal cortical dysplasia and refractory epilepsy with at least 2 years of postsurgery follow-up. Predictors of seizure freedom and the sensitivity of neuroimaging modalities were analyzed. MR imaging showed clear-cut FCD in 136 (72.3%) patients. Interictal FDG-PET showed focal hypo-/hypermetabolism in 144 (76.6%); in 110 patients in whom ictal SPECT was performed, focal hyperperfusion was noted in 77 (70.3%). Focal resection was the most common surgery performed in 112 (59.6%) patients. Histopathology revealed type I FCD in 102 (54.3%) patients. At last follow-up, 124 (66.0%) were seizure-free. Complete resection of FCD and type II FCD were predictors of seizure freedom. Localization of FCD on either MR imaging or PET or ictal SPECT had the highest sensitivity for seizure freedom at 97.5%. They conclude that during presurgical multimodality evaluation, localization of the extent of the epileptogenic zone in at least 2 imaging modalities helps achieve seizure freedom in about two-thirds of patients with refractory epilepsy due to FCD. FDG-PET is the most sensitive imaging modality for seizure freedom, especially in patients with type I FCD.
Jeong, D.E.
- InterventionalYou have accessImpact of Balloon-Guiding Catheter Location on Recanalization in Patients with Acute Stroke Treated by Mechanical ThrombectomyD.E. Jeong, J.W. Kim, B.M. Kim, W. Hwang and D.J. KimAmerican Journal of Neuroradiology May 2019, 40 (5) 840-844; DOI: https://doi.org/10.3174/ajnr.A6031
Jeong, H.W.
- InterventionalYou have accessPointwise Encoding Time Reduction with Radial Acquisition with Subtraction-Based MRA during the Follow-Up of Stent-Assisted Coil Embolization of Anterior Circulation AneurysmsY.J. Heo, H.W. Jeong, J.W. Baek, S.T. Kim, Y.G. Jeong, J.Y. Lee and S.-C. JinAmerican Journal of Neuroradiology May 2019, 40 (5) 815-819; DOI: https://doi.org/10.3174/ajnr.A6035
Jeong, Y.G.
- InterventionalYou have accessPointwise Encoding Time Reduction with Radial Acquisition with Subtraction-Based MRA during the Follow-Up of Stent-Assisted Coil Embolization of Anterior Circulation AneurysmsY.J. Heo, H.W. Jeong, J.W. Baek, S.T. Kim, Y.G. Jeong, J.Y. Lee and S.-C. JinAmerican Journal of Neuroradiology May 2019, 40 (5) 815-819; DOI: https://doi.org/10.3174/ajnr.A6035
Jin, S.-C.
- InterventionalYou have accessPointwise Encoding Time Reduction with Radial Acquisition with Subtraction-Based MRA during the Follow-Up of Stent-Assisted Coil Embolization of Anterior Circulation AneurysmsY.J. Heo, H.W. Jeong, J.W. Baek, S.T. Kim, Y.G. Jeong, J.Y. Lee and S.-C. JinAmerican Journal of Neuroradiology May 2019, 40 (5) 815-819; DOI: https://doi.org/10.3174/ajnr.A6035
Jitjai, D.
- EDITOR'S CHOICESpineOpen AccessLumbar Spinal Stenosis Severity by CT or MRI Does Not Predict Response to Epidural Corticosteroid versus Lidocaine InjectionsF.A. Perez, S. Quinet, J.G. Jarvik, Q.T. Nguyen, E. Aghayev, D. Jitjai, W.D. Hwang, E.R. Jarvik, S.S. Nedeljkovic, A.L. Avins, J.M. Schwalb, F.E. Diehn, C.J. Standaert, D.R. Nerenz, T. Annaswamy, Z. Bauer, D. Haynor, P.J. Heagerty and J.L. FriedlyAmerican Journal of Neuroradiology May 2019, 40 (5) 908-915; DOI: https://doi.org/10.3174/ajnr.A6050
In this secondary analysis of the CT and MR imaging studies of the prospective, double-blind Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS) trial participants, the authors found no differences in baseline imaging characteristics between those receiving epidural corticosteroid and lidocaine and those receiving lidocaine alone injections. No imaging measures of spinal stenosis were associated with a differential response to corticosteroids, indicating that imaging parameters of spinal stenosis did not predict a response to epidural corticosteroids.
Judkins, A.
- FELLOWS' JOURNAL CLUBPediatricsYou have accessPediatric Atypical Teratoid/Rhabdoid Tumors of the Brain: Identification of Metabolic Subgroups Using In Vivo 1H-MR SpectroscopyB. Tamrazi, S. Venneti, A. Margol, D. Hawes, S.Y. Cen, M. Nelson, A. Judkins, J. Biegel and S. BlümlAmerican Journal of Neuroradiology May 2019, 40 (5) 872-877; DOI: https://doi.org/10.3174/ajnr.A6024
Twenty patients with confirmed atypical teratoid/rhabdoid tumors who underwent MR spectroscopy were included in this study. In vivo metabolite levels of atypical teratoid/rhabdoid tumors were compared with molecular subtypes assessed by achaete-scute homolog 1 expression. In vivo creatine concentrations were higher in tumors that demonstrated achaete-scute homolog 1 expression compared with those without achaete-scute homolog 1 expression. Additionally, levels of myo-inositol were significantly different, whereas lipids approached significance in these 2 cohorts. Higher brain-specific creatine kinase levels were observed in the cohort with achaete-scute homolog 1 expression.
Jung, S.L.
- InterventionalYou have accessImage Quality of Low-Dose Cerebral Angiography and Effectiveness of Clinical Implementation on Diagnostic and Neurointerventional Procedures for Intracranial AneurysmsJ. Choi, B. Kim, Y. Choi, N.Y. Shin, J. Jang, H.S. Choi, S.L. Jung and K.J. AhnAmerican Journal of Neuroradiology May 2019, 40 (5) 827-833; DOI: https://doi.org/10.3174/ajnr.A6029
K
Kalmanovich, S.A.
- InterventionalYou have accessTreatment of Wide-Neck Intracranial Aneurysms with the Woven EndoBridge Device Associated with Stenting: A Single-Center ExperienceF. Cagnazzo, R. Ahmed, C. Dargazanli, P.-H. Lefevre, G. Gascou, I. Derraz, S.A. Kalmanovich, C. Riquelme, A. Bonafe and V. CostalatAmerican Journal of Neuroradiology May 2019, 40 (5) 820-826; DOI: https://doi.org/10.3174/ajnr.A6032
Kamei, R.
- FELLOWS' JOURNAL CLUBPediatricsOpen AccessIntravoxel Incoherent Motion MR Imaging of Pediatric Intracranial Tumors: Correlation with Histology and Diagnostic UtilityK. Kikuchi, A. Hiwatashi, O. Togao, K. Yamashita, R. Kamei, D. Momosaka, N. Hata, K. Iihara, S.O. Suzuki, T. Iwaki and H. HondaAmerican Journal of Neuroradiology May 2019, 40 (5) 878-884; DOI: https://doi.org/10.3174/ajnr.A6052
Between April 2013 and September 2015, seventeen children with intracranial tumors were included in this retrospective study. Intravoxel incoherent motion parameters were fitted using 13 b-values for a biexponential model. The perfusion-free diffusion coefficient, pseudodiffusion coefficient, and perfusion fraction were measured in high- and low-grade tumors. The authors found significant correlations between the histology and IVIM parameters of different pediatric intracranial tumors. These results suggest that IVIM imaging reflects cell density and vascularity across different types of pediatric brain tumors. They also demonstrated that both the diffusion and perfusion parameters measured on IVIM imaging are useful for grading intracranial neuroectodermal tumors in pediatric patients.
Kao, E.I.
- Head & NeckOpen AccessReduced Jet Velocity in Venous Flow after CSF Drainage: Assessing Hemodynamic Causes of Pulsatile TinnitusH. Haraldsson, J.R. Leach, E.I. Kao, A.G. Wright, S.G. Ammanuel, R.S. Khangura, M.K. Ballweber, C.T. Chin, V.N. Shah, K. Meisel, D.A. Saloner and M.R. AmansAmerican Journal of Neuroradiology May 2019, 40 (5) 849-854; DOI: https://doi.org/10.3174/ajnr.A6043
Karch, S.
- PediatricsYou have accessOculodentodigital Dysplasia: A Hypomyelinating Leukodystrophy with a Characteristic MRI Pattern of Brain Stem InvolvementI. Harting, S. Karch, U. Moog, A. Seitz, P.J.W. Pouwels and N.I. WolfAmerican Journal of Neuroradiology May 2019, 40 (5) 903-907; DOI: https://doi.org/10.3174/ajnr.A6051
Khalili, N.
- PediatricsYou have accessBrain and CSF Volumes in Fetuses and Neonates with Antenatal Diagnosis of Critical Congenital Heart Disease: A Longitudinal MRI StudyN.H.P. Claessens, N. Khalili, I. Isgum, H. ter Heide, T.J. Steenhuis, E. Turk, N.J.G. Jansen, L.S. de Vries, J.M.P.J. Breur, R. de Heus and M.J.N.L. BendersAmerican Journal of Neuroradiology May 2019, 40 (5) 885-891; DOI: https://doi.org/10.3174/ajnr.A6021
Khangura, R.S.
- Head & NeckOpen AccessReduced Jet Velocity in Venous Flow after CSF Drainage: Assessing Hemodynamic Causes of Pulsatile TinnitusH. Haraldsson, J.R. Leach, E.I. Kao, A.G. Wright, S.G. Ammanuel, R.S. Khangura, M.K. Ballweber, C.T. Chin, V.N. Shah, K. Meisel, D.A. Saloner and M.R. AmansAmerican Journal of Neuroradiology May 2019, 40 (5) 849-854; DOI: https://doi.org/10.3174/ajnr.A6043
Kikuchi, K.
- FELLOWS' JOURNAL CLUBPediatricsOpen AccessIntravoxel Incoherent Motion MR Imaging of Pediatric Intracranial Tumors: Correlation with Histology and Diagnostic UtilityK. Kikuchi, A. Hiwatashi, O. Togao, K. Yamashita, R. Kamei, D. Momosaka, N. Hata, K. Iihara, S.O. Suzuki, T. Iwaki and H. HondaAmerican Journal of Neuroradiology May 2019, 40 (5) 878-884; DOI: https://doi.org/10.3174/ajnr.A6052
Between April 2013 and September 2015, seventeen children with intracranial tumors were included in this retrospective study. Intravoxel incoherent motion parameters were fitted using 13 b-values for a biexponential model. The perfusion-free diffusion coefficient, pseudodiffusion coefficient, and perfusion fraction were measured in high- and low-grade tumors. The authors found significant correlations between the histology and IVIM parameters of different pediatric intracranial tumors. These results suggest that IVIM imaging reflects cell density and vascularity across different types of pediatric brain tumors. They also demonstrated that both the diffusion and perfusion parameters measured on IVIM imaging are useful for grading intracranial neuroectodermal tumors in pediatric patients.
Kim, B.
- InterventionalYou have accessImage Quality of Low-Dose Cerebral Angiography and Effectiveness of Clinical Implementation on Diagnostic and Neurointerventional Procedures for Intracranial AneurysmsJ. Choi, B. Kim, Y. Choi, N.Y. Shin, J. Jang, H.S. Choi, S.L. Jung and K.J. AhnAmerican Journal of Neuroradiology May 2019, 40 (5) 827-833; DOI: https://doi.org/10.3174/ajnr.A6029
Kim, B.M.
- InterventionalYou have accessImpact of Balloon-Guiding Catheter Location on Recanalization in Patients with Acute Stroke Treated by Mechanical ThrombectomyD.E. Jeong, J.W. Kim, B.M. Kim, W. Hwang and D.J. KimAmerican Journal of Neuroradiology May 2019, 40 (5) 840-844; DOI: https://doi.org/10.3174/ajnr.A6031
Kim, D.J.
- InterventionalYou have accessImpact of Balloon-Guiding Catheter Location on Recanalization in Patients with Acute Stroke Treated by Mechanical ThrombectomyD.E. Jeong, J.W. Kim, B.M. Kim, W. Hwang and D.J. KimAmerican Journal of Neuroradiology May 2019, 40 (5) 840-844; DOI: https://doi.org/10.3174/ajnr.A6031
Kim, J.W.
- InterventionalYou have accessImpact of Balloon-Guiding Catheter Location on Recanalization in Patients with Acute Stroke Treated by Mechanical ThrombectomyD.E. Jeong, J.W. Kim, B.M. Kim, W. Hwang and D.J. KimAmerican Journal of Neuroradiology May 2019, 40 (5) 840-844; DOI: https://doi.org/10.3174/ajnr.A6031
Kim, S.T.
- InterventionalYou have accessPointwise Encoding Time Reduction with Radial Acquisition with Subtraction-Based MRA during the Follow-Up of Stent-Assisted Coil Embolization of Anterior Circulation AneurysmsY.J. Heo, H.W. Jeong, J.W. Baek, S.T. Kim, Y.G. Jeong, J.Y. Lee and S.-C. JinAmerican Journal of Neuroradiology May 2019, 40 (5) 815-819; DOI: https://doi.org/10.3174/ajnr.A6035
Kirsch, J.E.
- LETTERYou have accessReply:K. Buch, S. Rincon, P. Caruso and J.E. KirschAmerican Journal of Neuroradiology May 2019, 40 (5) E21; DOI: https://doi.org/10.3174/ajnr.A6049
Kitamura, T.
- EDITOR'S CHOICEInterventionalYou have accessUsefulness of Silent MR Angiography for Intracranial Aneurysms Treated with a Flow-Diverter DeviceH. Oishi, T. Fujii, M. Suzuki, N. Takano, K. Teranishi, K. Yatomi, T. Kitamura, M. Yamamoto, S. Aoki and H. AraiAmerican Journal of Neuroradiology May 2019, 40 (5) 808-814; DOI: https://doi.org/10.3174/ajnr.A6047
Silent MRA is a procedure using an ultrashort TE and arterial spin-labeling techniques, which efficiently visualizes the status after the treatment of intracranial aneurysms. In Silent MRA, the 3D image is reconstructed by subtracting the control image from the image obtained by the labeling pulse. Seventy-eight large, unruptured internal carotid aneurysms in 78 patients were the subjects of this study. After 6 months of treatment, they underwent follow-up digital subtraction angiography, Silent MRA, and TOF-MRA, performed simultaneously. The authors found Silent MRA is superior for visualizing blood flow images inside flow-diverter devices compared with TOF-MRA. Furthermore, Silent MRA enables the assessment of aneurysmal embolization status. Silent MRA is useful for assessing the status of large and giant unruptured internal carotid aneurysms after flow-diverter placement.
Krüger, Marie T.
- You have accessPerspectivesMarie T. Krüger and Peter C. ReinacherAmerican Journal of Neuroradiology May 2019, 40 (5) 757; DOI: https://doi.org/10.3174/ajnr.P0065
Krupa, M.
- SpineYou have accessIt Is Not Necessary to Discontinue Seizure Threshold–Lowering Medications Prior to MyelographyM. Krupa, H. Salts and F. MihlonAmerican Journal of Neuroradiology May 2019, 40 (5) 916-919; DOI: https://doi.org/10.3174/ajnr.A6027
L
Lasocki, A.
- Adult BrainOpen AccessNon-Contrast-Enhancing Tumor: A New Frontier in Glioblastoma ResearchA. Lasocki and F. GaillardAmerican Journal of Neuroradiology May 2019, 40 (5) 758-765; DOI: https://doi.org/10.3174/ajnr.A6025
Leach, J.R.
- Head & NeckOpen AccessReduced Jet Velocity in Venous Flow after CSF Drainage: Assessing Hemodynamic Causes of Pulsatile TinnitusH. Haraldsson, J.R. Leach, E.I. Kao, A.G. Wright, S.G. Ammanuel, R.S. Khangura, M.K. Ballweber, C.T. Chin, V.N. Shah, K. Meisel, D.A. Saloner and M.R. AmansAmerican Journal of Neuroradiology May 2019, 40 (5) 849-854; DOI: https://doi.org/10.3174/ajnr.A6043
Lee, C.-W.
- SpineYou have accessAssessing Vascularity of Osseous Spinal Metastases with Dual-Energy CT-DSA: A Pilot Study Compared with Catheter AngiographyY.-C. Huang, F.-Y. Tsuang, C.-W. Lee, C.-Y. Wu and Y.-H. LinAmerican Journal of Neuroradiology May 2019, 40 (5) 920-925; DOI: https://doi.org/10.3174/ajnr.A6023
Lee, J.Y.
- InterventionalYou have accessPointwise Encoding Time Reduction with Radial Acquisition with Subtraction-Based MRA during the Follow-Up of Stent-Assisted Coil Embolization of Anterior Circulation AneurysmsY.J. Heo, H.W. Jeong, J.W. Baek, S.T. Kim, Y.G. Jeong, J.Y. Lee and S.-C. JinAmerican Journal of Neuroradiology May 2019, 40 (5) 815-819; DOI: https://doi.org/10.3174/ajnr.A6035
Lefevre, P.-H.
- InterventionalYou have accessTreatment of Wide-Neck Intracranial Aneurysms with the Woven EndoBridge Device Associated with Stenting: A Single-Center ExperienceF. Cagnazzo, R. Ahmed, C. Dargazanli, P.-H. Lefevre, G. Gascou, I. Derraz, S.A. Kalmanovich, C. Riquelme, A. Bonafe and V. CostalatAmerican Journal of Neuroradiology May 2019, 40 (5) 820-826; DOI: https://doi.org/10.3174/ajnr.A6032
Lehman, V.T.
- LETTERYou have accessAcross the Pons and to the Milky Way: Where Are the Neuroradiology Publications?V.T. LehmanAmerican Journal of Neuroradiology May 2019, 40 (5) E22-E23; DOI: https://doi.org/10.3174/ajnr.A6039
Leiva-Salinas, C.
- EDITOR'S CHOICEAdult BrainOpen AccessPredicting Motor Outcome in Acute Intracerebral HemorrhageJ. Puig, G. Blasco, M. Terceño, P. Daunis-i-Estadella, G. Schlaug, M. Hernandez-Perez, V. Cuba, G. Carbó, J. Serena, M. Essig, C.R. Figley, K. Nael, C. Leiva-Salinas, S. Pedraza and Y. SilvaAmerican Journal of Neuroradiology May 2019, 40 (5) 769-775; DOI: https://doi.org/10.3174/ajnr.A6038
The authors prospectively studied patients with motor deficits secondary to primary intracerebral hemorrhage within the first 12 hours of symptom onset. Patients underwent multimodal MR imaging including DTI. Intracerebral hemorrhage, perihematomal edema location and volume, and corticospinal tract involvement were assessed. The corticospinal tract was considered affected when the tractogram passed through the intracerebral hemorrhage and/or the perihematomal edema. The authors calculated affected corticospinal tract-to-unaffected corticospinal tract ratios for fractional anisotropy, mean diffusivity, and axial and radial diffusivities. Significant independent predictors of motor outcome were NIHSS and modified NIHSS at admission, posterior limb of the internal capsule involvement by intracerebral hemorrhage at admission, intracerebral hemorrhage volume at admission, 72-hour NIHSS, and 72-hour modified NIHSS. The sensitivity, specificity, and positive and negative predictive values for poor motor outcome at 3 months by a combined modified NIHSS of >6 and posterior limb of the internal capsule involvement in the first 12 hours from symptom onset were 84%, 79%, 65%, and 92%, respectively.
Liao, L.
- Adult BrainYou have accessSusceptibility-Weighted Angiography for the Follow-Up of Brain Arteriovenous Malformations Treated with Stereotactic RadiosurgeryS. Finitsis, R. Anxionnat, B. Gory, S. Planel, L. Liao and S. BracardAmerican Journal of Neuroradiology May 2019, 40 (5) 792-797; DOI: https://doi.org/10.3174/ajnr.A6053
Lin, Y.-H.
- SpineYou have accessAssessing Vascularity of Osseous Spinal Metastases with Dual-Energy CT-DSA: A Pilot Study Compared with Catheter AngiographyY.-C. Huang, F.-Y. Tsuang, C.-W. Lee, C.-Y. Wu and Y.-H. LinAmerican Journal of Neuroradiology May 2019, 40 (5) 920-925; DOI: https://doi.org/10.3174/ajnr.A6023
M
Madigubba, S.
- FELLOWS' JOURNAL CLUBPediatricsYou have accessFocal Cortical Dysplasia and Refractory Epilepsy: Role of Multimodality Imaging and Outcome of SurgeryS. Jayalakshmi, S.K. Nanda, S. Vooturi, R. Vadapalli, P. Sudhakar, S. Madigubba and M. PanigrahiAmerican Journal of Neuroradiology May 2019, 40 (5) 892-898; DOI: https://doi.org/10.3174/ajnr.A6041
The authors performed a retrospective analysis of data from 188 consecutive patients with focal cortical dysplasia and refractory epilepsy with at least 2 years of postsurgery follow-up. Predictors of seizure freedom and the sensitivity of neuroimaging modalities were analyzed. MR imaging showed clear-cut FCD in 136 (72.3%) patients. Interictal FDG-PET showed focal hypo-/hypermetabolism in 144 (76.6%); in 110 patients in whom ictal SPECT was performed, focal hyperperfusion was noted in 77 (70.3%). Focal resection was the most common surgery performed in 112 (59.6%) patients. Histopathology revealed type I FCD in 102 (54.3%) patients. At last follow-up, 124 (66.0%) were seizure-free. Complete resection of FCD and type II FCD were predictors of seizure freedom. Localization of FCD on either MR imaging or PET or ictal SPECT had the highest sensitivity for seizure freedom at 97.5%. They conclude that during presurgical multimodality evaluation, localization of the extent of the epileptogenic zone in at least 2 imaging modalities helps achieve seizure freedom in about two-thirds of patients with refractory epilepsy due to FCD. FDG-PET is the most sensitive imaging modality for seizure freedom, especially in patients with type I FCD.
Margol, A.
- FELLOWS' JOURNAL CLUBPediatricsYou have accessPediatric Atypical Teratoid/Rhabdoid Tumors of the Brain: Identification of Metabolic Subgroups Using In Vivo 1H-MR SpectroscopyB. Tamrazi, S. Venneti, A. Margol, D. Hawes, S.Y. Cen, M. Nelson, A. Judkins, J. Biegel and S. BlümlAmerican Journal of Neuroradiology May 2019, 40 (5) 872-877; DOI: https://doi.org/10.3174/ajnr.A6024
Twenty patients with confirmed atypical teratoid/rhabdoid tumors who underwent MR spectroscopy were included in this study. In vivo metabolite levels of atypical teratoid/rhabdoid tumors were compared with molecular subtypes assessed by achaete-scute homolog 1 expression. In vivo creatine concentrations were higher in tumors that demonstrated achaete-scute homolog 1 expression compared with those without achaete-scute homolog 1 expression. Additionally, levels of myo-inositol were significantly different, whereas lipids approached significance in these 2 cohorts. Higher brain-specific creatine kinase levels were observed in the cohort with achaete-scute homolog 1 expression.
Martinot, C.A.
- PediatricsYou have accessComparison of Iterative Model Reconstruction versus Filtered Back-Projection in Pediatric Emergency Head CT: Dose, Image Quality, and Image-Reconstruction TimesR.N. Southard, D.M.E. Bardo, M.H. Temkit, M.A. Thorkelson, R.A. Augustyn and C.A. MartinotAmerican Journal of Neuroradiology May 2019, 40 (5) 866-871; DOI: https://doi.org/10.3174/ajnr.A6034
Meisel, K.
- Head & NeckOpen AccessReduced Jet Velocity in Venous Flow after CSF Drainage: Assessing Hemodynamic Causes of Pulsatile TinnitusH. Haraldsson, J.R. Leach, E.I. Kao, A.G. Wright, S.G. Ammanuel, R.S. Khangura, M.K. Ballweber, C.T. Chin, V.N. Shah, K. Meisel, D.A. Saloner and M.R. AmansAmerican Journal of Neuroradiology May 2019, 40 (5) 849-854; DOI: https://doi.org/10.3174/ajnr.A6043
Melhem, E.R.
- LETTERYou have accessUse of Balanced Steady-State Free Precession Sequences in Evaluation of Drop MetastasesA. Vossough and E.R. MelhemAmerican Journal of Neuroradiology May 2019, 40 (5) E20; DOI: https://doi.org/10.3174/ajnr.A5964
Mihlon, F.
- SpineYou have accessIt Is Not Necessary to Discontinue Seizure Threshold–Lowering Medications Prior to MyelographyM. Krupa, H. Salts and F. MihlonAmerican Journal of Neuroradiology May 2019, 40 (5) 916-919; DOI: https://doi.org/10.3174/ajnr.A6027
Mochel, F.
- Adult BrainYou have accessGJA1 Variants Cause Spastic Paraplegia Associated with Cerebral HypomyelinationL. Saint-Val, T. Courtin, P. Charles, C. Verny, M. Catala, R. Schiffmann, O. Boespflug-Tanguy and F. MochelAmerican Journal of Neuroradiology May 2019, 40 (5) 788-791; DOI: https://doi.org/10.3174/ajnr.A6036
Momosaka, D.
- FELLOWS' JOURNAL CLUBPediatricsOpen AccessIntravoxel Incoherent Motion MR Imaging of Pediatric Intracranial Tumors: Correlation with Histology and Diagnostic UtilityK. Kikuchi, A. Hiwatashi, O. Togao, K. Yamashita, R. Kamei, D. Momosaka, N. Hata, K. Iihara, S.O. Suzuki, T. Iwaki and H. HondaAmerican Journal of Neuroradiology May 2019, 40 (5) 878-884; DOI: https://doi.org/10.3174/ajnr.A6052
Between April 2013 and September 2015, seventeen children with intracranial tumors were included in this retrospective study. Intravoxel incoherent motion parameters were fitted using 13 b-values for a biexponential model. The perfusion-free diffusion coefficient, pseudodiffusion coefficient, and perfusion fraction were measured in high- and low-grade tumors. The authors found significant correlations between the histology and IVIM parameters of different pediatric intracranial tumors. These results suggest that IVIM imaging reflects cell density and vascularity across different types of pediatric brain tumors. They also demonstrated that both the diffusion and perfusion parameters measured on IVIM imaging are useful for grading intracranial neuroectodermal tumors in pediatric patients.
Montalban, X.
- Adult BrainYou have accessThe Central Vein Sign in Radiologically Isolated SyndromeS. Suthiphosuwan, P. Sati, M. Guenette, X. Montalban, D.S. Reich, A. Bharatha and J. OhAmerican Journal of Neuroradiology May 2019, 40 (5) 776-783; DOI: https://doi.org/10.3174/ajnr.A6045
Moog, U.
- PediatricsYou have accessOculodentodigital Dysplasia: A Hypomyelinating Leukodystrophy with a Characteristic MRI Pattern of Brain Stem InvolvementI. Harting, S. Karch, U. Moog, A. Seitz, P.J.W. Pouwels and N.I. WolfAmerican Journal of Neuroradiology May 2019, 40 (5) 903-907; DOI: https://doi.org/10.3174/ajnr.A6051
N
Nael, K.
- EDITOR'S CHOICEAdult BrainOpen AccessPredicting Motor Outcome in Acute Intracerebral HemorrhageJ. Puig, G. Blasco, M. Terceño, P. Daunis-i-Estadella, G. Schlaug, M. Hernandez-Perez, V. Cuba, G. Carbó, J. Serena, M. Essig, C.R. Figley, K. Nael, C. Leiva-Salinas, S. Pedraza and Y. SilvaAmerican Journal of Neuroradiology May 2019, 40 (5) 769-775; DOI: https://doi.org/10.3174/ajnr.A6038
The authors prospectively studied patients with motor deficits secondary to primary intracerebral hemorrhage within the first 12 hours of symptom onset. Patients underwent multimodal MR imaging including DTI. Intracerebral hemorrhage, perihematomal edema location and volume, and corticospinal tract involvement were assessed. The corticospinal tract was considered affected when the tractogram passed through the intracerebral hemorrhage and/or the perihematomal edema. The authors calculated affected corticospinal tract-to-unaffected corticospinal tract ratios for fractional anisotropy, mean diffusivity, and axial and radial diffusivities. Significant independent predictors of motor outcome were NIHSS and modified NIHSS at admission, posterior limb of the internal capsule involvement by intracerebral hemorrhage at admission, intracerebral hemorrhage volume at admission, 72-hour NIHSS, and 72-hour modified NIHSS. The sensitivity, specificity, and positive and negative predictive values for poor motor outcome at 3 months by a combined modified NIHSS of >6 and posterior limb of the internal capsule involvement in the first 12 hours from symptom onset were 84%, 79%, 65%, and 92%, respectively.
Nanda, S.K.
- FELLOWS' JOURNAL CLUBPediatricsYou have accessFocal Cortical Dysplasia and Refractory Epilepsy: Role of Multimodality Imaging and Outcome of SurgeryS. Jayalakshmi, S.K. Nanda, S. Vooturi, R. Vadapalli, P. Sudhakar, S. Madigubba and M. PanigrahiAmerican Journal of Neuroradiology May 2019, 40 (5) 892-898; DOI: https://doi.org/10.3174/ajnr.A6041
The authors performed a retrospective analysis of data from 188 consecutive patients with focal cortical dysplasia and refractory epilepsy with at least 2 years of postsurgery follow-up. Predictors of seizure freedom and the sensitivity of neuroimaging modalities were analyzed. MR imaging showed clear-cut FCD in 136 (72.3%) patients. Interictal FDG-PET showed focal hypo-/hypermetabolism in 144 (76.6%); in 110 patients in whom ictal SPECT was performed, focal hyperperfusion was noted in 77 (70.3%). Focal resection was the most common surgery performed in 112 (59.6%) patients. Histopathology revealed type I FCD in 102 (54.3%) patients. At last follow-up, 124 (66.0%) were seizure-free. Complete resection of FCD and type II FCD were predictors of seizure freedom. Localization of FCD on either MR imaging or PET or ictal SPECT had the highest sensitivity for seizure freedom at 97.5%. They conclude that during presurgical multimodality evaluation, localization of the extent of the epileptogenic zone in at least 2 imaging modalities helps achieve seizure freedom in about two-thirds of patients with refractory epilepsy due to FCD. FDG-PET is the most sensitive imaging modality for seizure freedom, especially in patients with type I FCD.
Nedeljkovic, S.S.
- EDITOR'S CHOICESpineOpen AccessLumbar Spinal Stenosis Severity by CT or MRI Does Not Predict Response to Epidural Corticosteroid versus Lidocaine InjectionsF.A. Perez, S. Quinet, J.G. Jarvik, Q.T. Nguyen, E. Aghayev, D. Jitjai, W.D. Hwang, E.R. Jarvik, S.S. Nedeljkovic, A.L. Avins, J.M. Schwalb, F.E. Diehn, C.J. Standaert, D.R. Nerenz, T. Annaswamy, Z. Bauer, D. Haynor, P.J. Heagerty and J.L. FriedlyAmerican Journal of Neuroradiology May 2019, 40 (5) 908-915; DOI: https://doi.org/10.3174/ajnr.A6050
In this secondary analysis of the CT and MR imaging studies of the prospective, double-blind Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS) trial participants, the authors found no differences in baseline imaging characteristics between those receiving epidural corticosteroid and lidocaine and those receiving lidocaine alone injections. No imaging measures of spinal stenosis were associated with a differential response to corticosteroids, indicating that imaging parameters of spinal stenosis did not predict a response to epidural corticosteroids.
Nelson, M.
- FELLOWS' JOURNAL CLUBPediatricsYou have accessPediatric Atypical Teratoid/Rhabdoid Tumors of the Brain: Identification of Metabolic Subgroups Using In Vivo 1H-MR SpectroscopyB. Tamrazi, S. Venneti, A. Margol, D. Hawes, S.Y. Cen, M. Nelson, A. Judkins, J. Biegel and S. BlümlAmerican Journal of Neuroradiology May 2019, 40 (5) 872-877; DOI: https://doi.org/10.3174/ajnr.A6024
Twenty patients with confirmed atypical teratoid/rhabdoid tumors who underwent MR spectroscopy were included in this study. In vivo metabolite levels of atypical teratoid/rhabdoid tumors were compared with molecular subtypes assessed by achaete-scute homolog 1 expression. In vivo creatine concentrations were higher in tumors that demonstrated achaete-scute homolog 1 expression compared with those without achaete-scute homolog 1 expression. Additionally, levels of myo-inositol were significantly different, whereas lipids approached significance in these 2 cohorts. Higher brain-specific creatine kinase levels were observed in the cohort with achaete-scute homolog 1 expression.
Nerenz, D.R.
- EDITOR'S CHOICESpineOpen AccessLumbar Spinal Stenosis Severity by CT or MRI Does Not Predict Response to Epidural Corticosteroid versus Lidocaine InjectionsF.A. Perez, S. Quinet, J.G. Jarvik, Q.T. Nguyen, E. Aghayev, D. Jitjai, W.D. Hwang, E.R. Jarvik, S.S. Nedeljkovic, A.L. Avins, J.M. Schwalb, F.E. Diehn, C.J. Standaert, D.R. Nerenz, T. Annaswamy, Z. Bauer, D. Haynor, P.J. Heagerty and J.L. FriedlyAmerican Journal of Neuroradiology May 2019, 40 (5) 908-915; DOI: https://doi.org/10.3174/ajnr.A6050
In this secondary analysis of the CT and MR imaging studies of the prospective, double-blind Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS) trial participants, the authors found no differences in baseline imaging characteristics between those receiving epidural corticosteroid and lidocaine and those receiving lidocaine alone injections. No imaging measures of spinal stenosis were associated with a differential response to corticosteroids, indicating that imaging parameters of spinal stenosis did not predict a response to epidural corticosteroids.
Nguyen, Q.T.
- EDITOR'S CHOICESpineOpen AccessLumbar Spinal Stenosis Severity by CT or MRI Does Not Predict Response to Epidural Corticosteroid versus Lidocaine InjectionsF.A. Perez, S. Quinet, J.G. Jarvik, Q.T. Nguyen, E. Aghayev, D. Jitjai, W.D. Hwang, E.R. Jarvik, S.S. Nedeljkovic, A.L. Avins, J.M. Schwalb, F.E. Diehn, C.J. Standaert, D.R. Nerenz, T. Annaswamy, Z. Bauer, D. Haynor, P.J. Heagerty and J.L. FriedlyAmerican Journal of Neuroradiology May 2019, 40 (5) 908-915; DOI: https://doi.org/10.3174/ajnr.A6050
In this secondary analysis of the CT and MR imaging studies of the prospective, double-blind Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS) trial participants, the authors found no differences in baseline imaging characteristics between those receiving epidural corticosteroid and lidocaine and those receiving lidocaine alone injections. No imaging measures of spinal stenosis were associated with a differential response to corticosteroids, indicating that imaging parameters of spinal stenosis did not predict a response to epidural corticosteroids.
Nikoubashman, O.
- Adult BrainYou have accessIncreased Water Content in Periventricular Caps in Patients without Acute HydrocephalusT. Sichtermann, J.K. Furtmann, S. Dekeyzer, G. Gilmour, A.M. Oros-Peusquens, J.P. Bach, M. Wiesmann, N.J. Shah and O. NikoubashmanAmerican Journal of Neuroradiology May 2019, 40 (5) 784-787; DOI: https://doi.org/10.3174/ajnr.A6033
O
Ochoa-Escudero, M.
- PediatricsYou have accessNeuroimaging Findings in Moebius SequenceD.A. Herrera, N.O. Ruge, M.M. Florez, S.A. Vargas, M. Ochoa-Escudero and M. CastilloAmerican Journal of Neuroradiology May 2019, 40 (5) 862-865; DOI: https://doi.org/10.3174/ajnr.A6028
Oh, J.
- Adult BrainYou have accessThe Central Vein Sign in Radiologically Isolated SyndromeS. Suthiphosuwan, P. Sati, M. Guenette, X. Montalban, D.S. Reich, A. Bharatha and J. OhAmerican Journal of Neuroradiology May 2019, 40 (5) 776-783; DOI: https://doi.org/10.3174/ajnr.A6045
Oishi, H.
- EDITOR'S CHOICEInterventionalYou have accessUsefulness of Silent MR Angiography for Intracranial Aneurysms Treated with a Flow-Diverter DeviceH. Oishi, T. Fujii, M. Suzuki, N. Takano, K. Teranishi, K. Yatomi, T. Kitamura, M. Yamamoto, S. Aoki and H. AraiAmerican Journal of Neuroradiology May 2019, 40 (5) 808-814; DOI: https://doi.org/10.3174/ajnr.A6047
Silent MRA is a procedure using an ultrashort TE and arterial spin-labeling techniques, which efficiently visualizes the status after the treatment of intracranial aneurysms. In Silent MRA, the 3D image is reconstructed by subtracting the control image from the image obtained by the labeling pulse. Seventy-eight large, unruptured internal carotid aneurysms in 78 patients were the subjects of this study. After 6 months of treatment, they underwent follow-up digital subtraction angiography, Silent MRA, and TOF-MRA, performed simultaneously. The authors found Silent MRA is superior for visualizing blood flow images inside flow-diverter devices compared with TOF-MRA. Furthermore, Silent MRA enables the assessment of aneurysmal embolization status. Silent MRA is useful for assessing the status of large and giant unruptured internal carotid aneurysms after flow-diverter placement.
Orlowski, H.L.P.
- Adult BrainYou have accessImage Processing to Improve Detection of Mesial Temporal Sclerosis in AdultsF. Dahi, M.S. Parsons, H.L.P. Orlowski, A. Salter, S. Dahiya and A. SharmaAmerican Journal of Neuroradiology May 2019, 40 (5) 798-801; DOI: https://doi.org/10.3174/ajnr.A6022
Oros-Peusquens, A.M.
- Adult BrainYou have accessIncreased Water Content in Periventricular Caps in Patients without Acute HydrocephalusT. Sichtermann, J.K. Furtmann, S. Dekeyzer, G. Gilmour, A.M. Oros-Peusquens, J.P. Bach, M. Wiesmann, N.J. Shah and O. NikoubashmanAmerican Journal of Neuroradiology May 2019, 40 (5) 784-787; DOI: https://doi.org/10.3174/ajnr.A6033
P
Panigrahi, M.
- FELLOWS' JOURNAL CLUBPediatricsYou have accessFocal Cortical Dysplasia and Refractory Epilepsy: Role of Multimodality Imaging and Outcome of SurgeryS. Jayalakshmi, S.K. Nanda, S. Vooturi, R. Vadapalli, P. Sudhakar, S. Madigubba and M. PanigrahiAmerican Journal of Neuroradiology May 2019, 40 (5) 892-898; DOI: https://doi.org/10.3174/ajnr.A6041
The authors performed a retrospective analysis of data from 188 consecutive patients with focal cortical dysplasia and refractory epilepsy with at least 2 years of postsurgery follow-up. Predictors of seizure freedom and the sensitivity of neuroimaging modalities were analyzed. MR imaging showed clear-cut FCD in 136 (72.3%) patients. Interictal FDG-PET showed focal hypo-/hypermetabolism in 144 (76.6%); in 110 patients in whom ictal SPECT was performed, focal hyperperfusion was noted in 77 (70.3%). Focal resection was the most common surgery performed in 112 (59.6%) patients. Histopathology revealed type I FCD in 102 (54.3%) patients. At last follow-up, 124 (66.0%) were seizure-free. Complete resection of FCD and type II FCD were predictors of seizure freedom. Localization of FCD on either MR imaging or PET or ictal SPECT had the highest sensitivity for seizure freedom at 97.5%. They conclude that during presurgical multimodality evaluation, localization of the extent of the epileptogenic zone in at least 2 imaging modalities helps achieve seizure freedom in about two-thirds of patients with refractory epilepsy due to FCD. FDG-PET is the most sensitive imaging modality for seizure freedom, especially in patients with type I FCD.
Parsons, M.S.
- Adult BrainYou have accessImage Processing to Improve Detection of Mesial Temporal Sclerosis in AdultsF. Dahi, M.S. Parsons, H.L.P. Orlowski, A. Salter, S. Dahiya and A. SharmaAmerican Journal of Neuroradiology May 2019, 40 (5) 798-801; DOI: https://doi.org/10.3174/ajnr.A6022
Patel, A.
- InterventionalYou have accessAngiographic and Clinical Features of Noninvoluting Congenital HemangiomasA. Patel, R. De Leacy and A. BerensteinAmerican Journal of Neuroradiology May 2019, 40 (5) 845-848; DOI: https://doi.org/10.3174/ajnr.A6044
Pedraza, S.
- EDITOR'S CHOICEAdult BrainOpen AccessPredicting Motor Outcome in Acute Intracerebral HemorrhageJ. Puig, G. Blasco, M. Terceño, P. Daunis-i-Estadella, G. Schlaug, M. Hernandez-Perez, V. Cuba, G. Carbó, J. Serena, M. Essig, C.R. Figley, K. Nael, C. Leiva-Salinas, S. Pedraza and Y. SilvaAmerican Journal of Neuroradiology May 2019, 40 (5) 769-775; DOI: https://doi.org/10.3174/ajnr.A6038
The authors prospectively studied patients with motor deficits secondary to primary intracerebral hemorrhage within the first 12 hours of symptom onset. Patients underwent multimodal MR imaging including DTI. Intracerebral hemorrhage, perihematomal edema location and volume, and corticospinal tract involvement were assessed. The corticospinal tract was considered affected when the tractogram passed through the intracerebral hemorrhage and/or the perihematomal edema. The authors calculated affected corticospinal tract-to-unaffected corticospinal tract ratios for fractional anisotropy, mean diffusivity, and axial and radial diffusivities. Significant independent predictors of motor outcome were NIHSS and modified NIHSS at admission, posterior limb of the internal capsule involvement by intracerebral hemorrhage at admission, intracerebral hemorrhage volume at admission, 72-hour NIHSS, and 72-hour modified NIHSS. The sensitivity, specificity, and positive and negative predictive values for poor motor outcome at 3 months by a combined modified NIHSS of >6 and posterior limb of the internal capsule involvement in the first 12 hours from symptom onset were 84%, 79%, 65%, and 92%, respectively.
Perez, F.A.
- EDITOR'S CHOICESpineOpen AccessLumbar Spinal Stenosis Severity by CT or MRI Does Not Predict Response to Epidural Corticosteroid versus Lidocaine InjectionsF.A. Perez, S. Quinet, J.G. Jarvik, Q.T. Nguyen, E. Aghayev, D. Jitjai, W.D. Hwang, E.R. Jarvik, S.S. Nedeljkovic, A.L. Avins, J.M. Schwalb, F.E. Diehn, C.J. Standaert, D.R. Nerenz, T. Annaswamy, Z. Bauer, D. Haynor, P.J. Heagerty and J.L. FriedlyAmerican Journal of Neuroradiology May 2019, 40 (5) 908-915; DOI: https://doi.org/10.3174/ajnr.A6050
In this secondary analysis of the CT and MR imaging studies of the prospective, double-blind Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS) trial participants, the authors found no differences in baseline imaging characteristics between those receiving epidural corticosteroid and lidocaine and those receiving lidocaine alone injections. No imaging measures of spinal stenosis were associated with a differential response to corticosteroids, indicating that imaging parameters of spinal stenosis did not predict a response to epidural corticosteroids.
Planel, S.
- Adult BrainYou have accessSusceptibility-Weighted Angiography for the Follow-Up of Brain Arteriovenous Malformations Treated with Stereotactic RadiosurgeryS. Finitsis, R. Anxionnat, B. Gory, S. Planel, L. Liao and S. BracardAmerican Journal of Neuroradiology May 2019, 40 (5) 792-797; DOI: https://doi.org/10.3174/ajnr.A6053
Pouwels, P.J.W.
- PediatricsYou have accessOculodentodigital Dysplasia: A Hypomyelinating Leukodystrophy with a Characteristic MRI Pattern of Brain Stem InvolvementI. Harting, S. Karch, U. Moog, A. Seitz, P.J.W. Pouwels and N.I. WolfAmerican Journal of Neuroradiology May 2019, 40 (5) 903-907; DOI: https://doi.org/10.3174/ajnr.A6051
Puig, J.
- EDITOR'S CHOICEAdult BrainOpen AccessPredicting Motor Outcome in Acute Intracerebral HemorrhageJ. Puig, G. Blasco, M. Terceño, P. Daunis-i-Estadella, G. Schlaug, M. Hernandez-Perez, V. Cuba, G. Carbó, J. Serena, M. Essig, C.R. Figley, K. Nael, C. Leiva-Salinas, S. Pedraza and Y. SilvaAmerican Journal of Neuroradiology May 2019, 40 (5) 769-775; DOI: https://doi.org/10.3174/ajnr.A6038
The authors prospectively studied patients with motor deficits secondary to primary intracerebral hemorrhage within the first 12 hours of symptom onset. Patients underwent multimodal MR imaging including DTI. Intracerebral hemorrhage, perihematomal edema location and volume, and corticospinal tract involvement were assessed. The corticospinal tract was considered affected when the tractogram passed through the intracerebral hemorrhage and/or the perihematomal edema. The authors calculated affected corticospinal tract-to-unaffected corticospinal tract ratios for fractional anisotropy, mean diffusivity, and axial and radial diffusivities. Significant independent predictors of motor outcome were NIHSS and modified NIHSS at admission, posterior limb of the internal capsule involvement by intracerebral hemorrhage at admission, intracerebral hemorrhage volume at admission, 72-hour NIHSS, and 72-hour modified NIHSS. The sensitivity, specificity, and positive and negative predictive values for poor motor outcome at 3 months by a combined modified NIHSS of >6 and posterior limb of the internal capsule involvement in the first 12 hours from symptom onset were 84%, 79%, 65%, and 92%, respectively.
Q
Quinet, S.
- EDITOR'S CHOICESpineOpen AccessLumbar Spinal Stenosis Severity by CT or MRI Does Not Predict Response to Epidural Corticosteroid versus Lidocaine InjectionsF.A. Perez, S. Quinet, J.G. Jarvik, Q.T. Nguyen, E. Aghayev, D. Jitjai, W.D. Hwang, E.R. Jarvik, S.S. Nedeljkovic, A.L. Avins, J.M. Schwalb, F.E. Diehn, C.J. Standaert, D.R. Nerenz, T. Annaswamy, Z. Bauer, D. Haynor, P.J. Heagerty and J.L. FriedlyAmerican Journal of Neuroradiology May 2019, 40 (5) 908-915; DOI: https://doi.org/10.3174/ajnr.A6050
In this secondary analysis of the CT and MR imaging studies of the prospective, double-blind Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS) trial participants, the authors found no differences in baseline imaging characteristics between those receiving epidural corticosteroid and lidocaine and those receiving lidocaine alone injections. No imaging measures of spinal stenosis were associated with a differential response to corticosteroids, indicating that imaging parameters of spinal stenosis did not predict a response to epidural corticosteroids.
R
Reich, D.S.
- Adult BrainYou have accessThe Central Vein Sign in Radiologically Isolated SyndromeS. Suthiphosuwan, P. Sati, M. Guenette, X. Montalban, D.S. Reich, A. Bharatha and J. OhAmerican Journal of Neuroradiology May 2019, 40 (5) 776-783; DOI: https://doi.org/10.3174/ajnr.A6045
Reinacher, Peter C.
- You have accessPerspectivesMarie T. Krüger and Peter C. ReinacherAmerican Journal of Neuroradiology May 2019, 40 (5) 757; DOI: https://doi.org/10.3174/ajnr.P0065
Rincon, S.
- LETTERYou have accessReply:K. Buch, S. Rincon, P. Caruso and J.E. KirschAmerican Journal of Neuroradiology May 2019, 40 (5) E21; DOI: https://doi.org/10.3174/ajnr.A6049
Riquelme, C.
- InterventionalYou have accessTreatment of Wide-Neck Intracranial Aneurysms with the Woven EndoBridge Device Associated with Stenting: A Single-Center ExperienceF. Cagnazzo, R. Ahmed, C. Dargazanli, P.-H. Lefevre, G. Gascou, I. Derraz, S.A. Kalmanovich, C. Riquelme, A. Bonafe and V. CostalatAmerican Journal of Neuroradiology May 2019, 40 (5) 820-826; DOI: https://doi.org/10.3174/ajnr.A6032
Ruge, N.O.
- PediatricsYou have accessNeuroimaging Findings in Moebius SequenceD.A. Herrera, N.O. Ruge, M.M. Florez, S.A. Vargas, M. Ochoa-Escudero and M. CastilloAmerican Journal of Neuroradiology May 2019, 40 (5) 862-865; DOI: https://doi.org/10.3174/ajnr.A6028
S
Saint-Val, L.
- Adult BrainYou have accessGJA1 Variants Cause Spastic Paraplegia Associated with Cerebral HypomyelinationL. Saint-Val, T. Courtin, P. Charles, C. Verny, M. Catala, R. Schiffmann, O. Boespflug-Tanguy and F. MochelAmerican Journal of Neuroradiology May 2019, 40 (5) 788-791; DOI: https://doi.org/10.3174/ajnr.A6036
Saloner, D.A.
- Head & NeckOpen AccessReduced Jet Velocity in Venous Flow after CSF Drainage: Assessing Hemodynamic Causes of Pulsatile TinnitusH. Haraldsson, J.R. Leach, E.I. Kao, A.G. Wright, S.G. Ammanuel, R.S. Khangura, M.K. Ballweber, C.T. Chin, V.N. Shah, K. Meisel, D.A. Saloner and M.R. AmansAmerican Journal of Neuroradiology May 2019, 40 (5) 849-854; DOI: https://doi.org/10.3174/ajnr.A6043
Salter, A.
- Adult BrainYou have accessImage Processing to Improve Detection of Mesial Temporal Sclerosis in AdultsF. Dahi, M.S. Parsons, H.L.P. Orlowski, A. Salter, S. Dahiya and A. SharmaAmerican Journal of Neuroradiology May 2019, 40 (5) 798-801; DOI: https://doi.org/10.3174/ajnr.A6022
Salts, H.
- SpineYou have accessIt Is Not Necessary to Discontinue Seizure Threshold–Lowering Medications Prior to MyelographyM. Krupa, H. Salts and F. MihlonAmerican Journal of Neuroradiology May 2019, 40 (5) 916-919; DOI: https://doi.org/10.3174/ajnr.A6027
Sati, P.
- Adult BrainYou have accessThe Central Vein Sign in Radiologically Isolated SyndromeS. Suthiphosuwan, P. Sati, M. Guenette, X. Montalban, D.S. Reich, A. Bharatha and J. OhAmerican Journal of Neuroradiology May 2019, 40 (5) 776-783; DOI: https://doi.org/10.3174/ajnr.A6045
Satoh, T.
- InterventionalOpen AccessVisualization of Aneurysmal Neck and Dome after Coiling with 3D Multifusion Imaging of Silent MRA and FSE-MR CisternographyT. Satoh, T. Hishikawa, M. Hiramatsu, K. Sugiu and I. DateAmerican Journal of Neuroradiology May 2019, 40 (5) 802-807; DOI: https://doi.org/10.3174/ajnr.A6026
Schiffmann, R.
- Adult BrainYou have accessGJA1 Variants Cause Spastic Paraplegia Associated with Cerebral HypomyelinationL. Saint-Val, T. Courtin, P. Charles, C. Verny, M. Catala, R. Schiffmann, O. Boespflug-Tanguy and F. MochelAmerican Journal of Neuroradiology May 2019, 40 (5) 788-791; DOI: https://doi.org/10.3174/ajnr.A6036
Schlaug, G.
- EDITOR'S CHOICEAdult BrainOpen AccessPredicting Motor Outcome in Acute Intracerebral HemorrhageJ. Puig, G. Blasco, M. Terceño, P. Daunis-i-Estadella, G. Schlaug, M. Hernandez-Perez, V. Cuba, G. Carbó, J. Serena, M. Essig, C.R. Figley, K. Nael, C. Leiva-Salinas, S. Pedraza and Y. SilvaAmerican Journal of Neuroradiology May 2019, 40 (5) 769-775; DOI: https://doi.org/10.3174/ajnr.A6038
The authors prospectively studied patients with motor deficits secondary to primary intracerebral hemorrhage within the first 12 hours of symptom onset. Patients underwent multimodal MR imaging including DTI. Intracerebral hemorrhage, perihematomal edema location and volume, and corticospinal tract involvement were assessed. The corticospinal tract was considered affected when the tractogram passed through the intracerebral hemorrhage and/or the perihematomal edema. The authors calculated affected corticospinal tract-to-unaffected corticospinal tract ratios for fractional anisotropy, mean diffusivity, and axial and radial diffusivities. Significant independent predictors of motor outcome were NIHSS and modified NIHSS at admission, posterior limb of the internal capsule involvement by intracerebral hemorrhage at admission, intracerebral hemorrhage volume at admission, 72-hour NIHSS, and 72-hour modified NIHSS. The sensitivity, specificity, and positive and negative predictive values for poor motor outcome at 3 months by a combined modified NIHSS of >6 and posterior limb of the internal capsule involvement in the first 12 hours from symptom onset were 84%, 79%, 65%, and 92%, respectively.
Schwalb, J.M.
- EDITOR'S CHOICESpineOpen AccessLumbar Spinal Stenosis Severity by CT or MRI Does Not Predict Response to Epidural Corticosteroid versus Lidocaine InjectionsF.A. Perez, S. Quinet, J.G. Jarvik, Q.T. Nguyen, E. Aghayev, D. Jitjai, W.D. Hwang, E.R. Jarvik, S.S. Nedeljkovic, A.L. Avins, J.M. Schwalb, F.E. Diehn, C.J. Standaert, D.R. Nerenz, T. Annaswamy, Z. Bauer, D. Haynor, P.J. Heagerty and J.L. FriedlyAmerican Journal of Neuroradiology May 2019, 40 (5) 908-915; DOI: https://doi.org/10.3174/ajnr.A6050
In this secondary analysis of the CT and MR imaging studies of the prospective, double-blind Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS) trial participants, the authors found no differences in baseline imaging characteristics between those receiving epidural corticosteroid and lidocaine and those receiving lidocaine alone injections. No imaging measures of spinal stenosis were associated with a differential response to corticosteroids, indicating that imaging parameters of spinal stenosis did not predict a response to epidural corticosteroids.
Seitz, A.
- PediatricsYou have accessOculodentodigital Dysplasia: A Hypomyelinating Leukodystrophy with a Characteristic MRI Pattern of Brain Stem InvolvementI. Harting, S. Karch, U. Moog, A. Seitz, P.J.W. Pouwels and N.I. WolfAmerican Journal of Neuroradiology May 2019, 40 (5) 903-907; DOI: https://doi.org/10.3174/ajnr.A6051
Serena, J.
- EDITOR'S CHOICEAdult BrainOpen AccessPredicting Motor Outcome in Acute Intracerebral HemorrhageJ. Puig, G. Blasco, M. Terceño, P. Daunis-i-Estadella, G. Schlaug, M. Hernandez-Perez, V. Cuba, G. Carbó, J. Serena, M. Essig, C.R. Figley, K. Nael, C. Leiva-Salinas, S. Pedraza and Y. SilvaAmerican Journal of Neuroradiology May 2019, 40 (5) 769-775; DOI: https://doi.org/10.3174/ajnr.A6038
The authors prospectively studied patients with motor deficits secondary to primary intracerebral hemorrhage within the first 12 hours of symptom onset. Patients underwent multimodal MR imaging including DTI. Intracerebral hemorrhage, perihematomal edema location and volume, and corticospinal tract involvement were assessed. The corticospinal tract was considered affected when the tractogram passed through the intracerebral hemorrhage and/or the perihematomal edema. The authors calculated affected corticospinal tract-to-unaffected corticospinal tract ratios for fractional anisotropy, mean diffusivity, and axial and radial diffusivities. Significant independent predictors of motor outcome were NIHSS and modified NIHSS at admission, posterior limb of the internal capsule involvement by intracerebral hemorrhage at admission, intracerebral hemorrhage volume at admission, 72-hour NIHSS, and 72-hour modified NIHSS. The sensitivity, specificity, and positive and negative predictive values for poor motor outcome at 3 months by a combined modified NIHSS of >6 and posterior limb of the internal capsule involvement in the first 12 hours from symptom onset were 84%, 79%, 65%, and 92%, respectively.
Shah, N.J.
- Adult BrainYou have accessIncreased Water Content in Periventricular Caps in Patients without Acute HydrocephalusT. Sichtermann, J.K. Furtmann, S. Dekeyzer, G. Gilmour, A.M. Oros-Peusquens, J.P. Bach, M. Wiesmann, N.J. Shah and O. NikoubashmanAmerican Journal of Neuroradiology May 2019, 40 (5) 784-787; DOI: https://doi.org/10.3174/ajnr.A6033
Shah, V.N.
- Head & NeckOpen AccessReduced Jet Velocity in Venous Flow after CSF Drainage: Assessing Hemodynamic Causes of Pulsatile TinnitusH. Haraldsson, J.R. Leach, E.I. Kao, A.G. Wright, S.G. Ammanuel, R.S. Khangura, M.K. Ballweber, C.T. Chin, V.N. Shah, K. Meisel, D.A. Saloner and M.R. AmansAmerican Journal of Neuroradiology May 2019, 40 (5) 849-854; DOI: https://doi.org/10.3174/ajnr.A6043
Sharma, A.
- Adult BrainYou have accessImage Processing to Improve Detection of Mesial Temporal Sclerosis in AdultsF. Dahi, M.S. Parsons, H.L.P. Orlowski, A. Salter, S. Dahiya and A. SharmaAmerican Journal of Neuroradiology May 2019, 40 (5) 798-801; DOI: https://doi.org/10.3174/ajnr.A6022
Shimogonya, Y.
- InterventionalOpen AccessDifferences in Cerebral Aneurysm Rupture Rate According to Arterial Anatomies Depend on the Hemodynamic EnvironmentS. Fukuda, Y. Shimogonya and N. Yonemoto on behalf of the CFD ABO Study GroupAmerican Journal of Neuroradiology May 2019, 40 (5) 834-839; DOI: https://doi.org/10.3174/ajnr.A6030
Shin, N.Y.
- InterventionalYou have accessImage Quality of Low-Dose Cerebral Angiography and Effectiveness of Clinical Implementation on Diagnostic and Neurointerventional Procedures for Intracranial AneurysmsJ. Choi, B. Kim, Y. Choi, N.Y. Shin, J. Jang, H.S. Choi, S.L. Jung and K.J. AhnAmerican Journal of Neuroradiology May 2019, 40 (5) 827-833; DOI: https://doi.org/10.3174/ajnr.A6029
Sichtermann, T.
- Adult BrainYou have accessIncreased Water Content in Periventricular Caps in Patients without Acute HydrocephalusT. Sichtermann, J.K. Furtmann, S. Dekeyzer, G. Gilmour, A.M. Oros-Peusquens, J.P. Bach, M. Wiesmann, N.J. Shah and O. NikoubashmanAmerican Journal of Neuroradiology May 2019, 40 (5) 784-787; DOI: https://doi.org/10.3174/ajnr.A6033
Silva, Y.
- EDITOR'S CHOICEAdult BrainOpen AccessPredicting Motor Outcome in Acute Intracerebral HemorrhageJ. Puig, G. Blasco, M. Terceño, P. Daunis-i-Estadella, G. Schlaug, M. Hernandez-Perez, V. Cuba, G. Carbó, J. Serena, M. Essig, C.R. Figley, K. Nael, C. Leiva-Salinas, S. Pedraza and Y. SilvaAmerican Journal of Neuroradiology May 2019, 40 (5) 769-775; DOI: https://doi.org/10.3174/ajnr.A6038
The authors prospectively studied patients with motor deficits secondary to primary intracerebral hemorrhage within the first 12 hours of symptom onset. Patients underwent multimodal MR imaging including DTI. Intracerebral hemorrhage, perihematomal edema location and volume, and corticospinal tract involvement were assessed. The corticospinal tract was considered affected when the tractogram passed through the intracerebral hemorrhage and/or the perihematomal edema. The authors calculated affected corticospinal tract-to-unaffected corticospinal tract ratios for fractional anisotropy, mean diffusivity, and axial and radial diffusivities. Significant independent predictors of motor outcome were NIHSS and modified NIHSS at admission, posterior limb of the internal capsule involvement by intracerebral hemorrhage at admission, intracerebral hemorrhage volume at admission, 72-hour NIHSS, and 72-hour modified NIHSS. The sensitivity, specificity, and positive and negative predictive values for poor motor outcome at 3 months by a combined modified NIHSS of >6 and posterior limb of the internal capsule involvement in the first 12 hours from symptom onset were 84%, 79%, 65%, and 92%, respectively.
Southard, R.N.
- PediatricsYou have accessComparison of Iterative Model Reconstruction versus Filtered Back-Projection in Pediatric Emergency Head CT: Dose, Image Quality, and Image-Reconstruction TimesR.N. Southard, D.M.E. Bardo, M.H. Temkit, M.A. Thorkelson, R.A. Augustyn and C.A. MartinotAmerican Journal of Neuroradiology May 2019, 40 (5) 866-871; DOI: https://doi.org/10.3174/ajnr.A6034
Standaert, C.J.
- EDITOR'S CHOICESpineOpen AccessLumbar Spinal Stenosis Severity by CT or MRI Does Not Predict Response to Epidural Corticosteroid versus Lidocaine InjectionsF.A. Perez, S. Quinet, J.G. Jarvik, Q.T. Nguyen, E. Aghayev, D. Jitjai, W.D. Hwang, E.R. Jarvik, S.S. Nedeljkovic, A.L. Avins, J.M. Schwalb, F.E. Diehn, C.J. Standaert, D.R. Nerenz, T. Annaswamy, Z. Bauer, D. Haynor, P.J. Heagerty and J.L. FriedlyAmerican Journal of Neuroradiology May 2019, 40 (5) 908-915; DOI: https://doi.org/10.3174/ajnr.A6050
In this secondary analysis of the CT and MR imaging studies of the prospective, double-blind Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS) trial participants, the authors found no differences in baseline imaging characteristics between those receiving epidural corticosteroid and lidocaine and those receiving lidocaine alone injections. No imaging measures of spinal stenosis were associated with a differential response to corticosteroids, indicating that imaging parameters of spinal stenosis did not predict a response to epidural corticosteroids.
Steenhuis, T.J.
- PediatricsYou have accessBrain and CSF Volumes in Fetuses and Neonates with Antenatal Diagnosis of Critical Congenital Heart Disease: A Longitudinal MRI StudyN.H.P. Claessens, N. Khalili, I. Isgum, H. ter Heide, T.J. Steenhuis, E. Turk, N.J.G. Jansen, L.S. de Vries, J.M.P.J. Breur, R. de Heus and M.J.N.L. BendersAmerican Journal of Neuroradiology May 2019, 40 (5) 885-891; DOI: https://doi.org/10.3174/ajnr.A6021
Sudhakar, P.
- FELLOWS' JOURNAL CLUBPediatricsYou have accessFocal Cortical Dysplasia and Refractory Epilepsy: Role of Multimodality Imaging and Outcome of SurgeryS. Jayalakshmi, S.K. Nanda, S. Vooturi, R. Vadapalli, P. Sudhakar, S. Madigubba and M. PanigrahiAmerican Journal of Neuroradiology May 2019, 40 (5) 892-898; DOI: https://doi.org/10.3174/ajnr.A6041
The authors performed a retrospective analysis of data from 188 consecutive patients with focal cortical dysplasia and refractory epilepsy with at least 2 years of postsurgery follow-up. Predictors of seizure freedom and the sensitivity of neuroimaging modalities were analyzed. MR imaging showed clear-cut FCD in 136 (72.3%) patients. Interictal FDG-PET showed focal hypo-/hypermetabolism in 144 (76.6%); in 110 patients in whom ictal SPECT was performed, focal hyperperfusion was noted in 77 (70.3%). Focal resection was the most common surgery performed in 112 (59.6%) patients. Histopathology revealed type I FCD in 102 (54.3%) patients. At last follow-up, 124 (66.0%) were seizure-free. Complete resection of FCD and type II FCD were predictors of seizure freedom. Localization of FCD on either MR imaging or PET or ictal SPECT had the highest sensitivity for seizure freedom at 97.5%. They conclude that during presurgical multimodality evaluation, localization of the extent of the epileptogenic zone in at least 2 imaging modalities helps achieve seizure freedom in about two-thirds of patients with refractory epilepsy due to FCD. FDG-PET is the most sensitive imaging modality for seizure freedom, especially in patients with type I FCD.
Sugiu, K.
- InterventionalOpen AccessVisualization of Aneurysmal Neck and Dome after Coiling with 3D Multifusion Imaging of Silent MRA and FSE-MR CisternographyT. Satoh, T. Hishikawa, M. Hiramatsu, K. Sugiu and I. DateAmerican Journal of Neuroradiology May 2019, 40 (5) 802-807; DOI: https://doi.org/10.3174/ajnr.A6026
Suthiphosuwan, S.
- Adult BrainYou have accessThe Central Vein Sign in Radiologically Isolated SyndromeS. Suthiphosuwan, P. Sati, M. Guenette, X. Montalban, D.S. Reich, A. Bharatha and J. OhAmerican Journal of Neuroradiology May 2019, 40 (5) 776-783; DOI: https://doi.org/10.3174/ajnr.A6045
Suzuki, M.
- EDITOR'S CHOICEInterventionalYou have accessUsefulness of Silent MR Angiography for Intracranial Aneurysms Treated with a Flow-Diverter DeviceH. Oishi, T. Fujii, M. Suzuki, N. Takano, K. Teranishi, K. Yatomi, T. Kitamura, M. Yamamoto, S. Aoki and H. AraiAmerican Journal of Neuroradiology May 2019, 40 (5) 808-814; DOI: https://doi.org/10.3174/ajnr.A6047
Silent MRA is a procedure using an ultrashort TE and arterial spin-labeling techniques, which efficiently visualizes the status after the treatment of intracranial aneurysms. In Silent MRA, the 3D image is reconstructed by subtracting the control image from the image obtained by the labeling pulse. Seventy-eight large, unruptured internal carotid aneurysms in 78 patients were the subjects of this study. After 6 months of treatment, they underwent follow-up digital subtraction angiography, Silent MRA, and TOF-MRA, performed simultaneously. The authors found Silent MRA is superior for visualizing blood flow images inside flow-diverter devices compared with TOF-MRA. Furthermore, Silent MRA enables the assessment of aneurysmal embolization status. Silent MRA is useful for assessing the status of large and giant unruptured internal carotid aneurysms after flow-diverter placement.
Suzuki, S.O.
- FELLOWS' JOURNAL CLUBPediatricsOpen AccessIntravoxel Incoherent Motion MR Imaging of Pediatric Intracranial Tumors: Correlation with Histology and Diagnostic UtilityK. Kikuchi, A. Hiwatashi, O. Togao, K. Yamashita, R. Kamei, D. Momosaka, N. Hata, K. Iihara, S.O. Suzuki, T. Iwaki and H. HondaAmerican Journal of Neuroradiology May 2019, 40 (5) 878-884; DOI: https://doi.org/10.3174/ajnr.A6052
Between April 2013 and September 2015, seventeen children with intracranial tumors were included in this retrospective study. Intravoxel incoherent motion parameters were fitted using 13 b-values for a biexponential model. The perfusion-free diffusion coefficient, pseudodiffusion coefficient, and perfusion fraction were measured in high- and low-grade tumors. The authors found significant correlations between the histology and IVIM parameters of different pediatric intracranial tumors. These results suggest that IVIM imaging reflects cell density and vascularity across different types of pediatric brain tumors. They also demonstrated that both the diffusion and perfusion parameters measured on IVIM imaging are useful for grading intracranial neuroectodermal tumors in pediatric patients.
T
Takano, N.
- EDITOR'S CHOICEInterventionalYou have accessUsefulness of Silent MR Angiography for Intracranial Aneurysms Treated with a Flow-Diverter DeviceH. Oishi, T. Fujii, M. Suzuki, N. Takano, K. Teranishi, K. Yatomi, T. Kitamura, M. Yamamoto, S. Aoki and H. AraiAmerican Journal of Neuroradiology May 2019, 40 (5) 808-814; DOI: https://doi.org/10.3174/ajnr.A6047
Silent MRA is a procedure using an ultrashort TE and arterial spin-labeling techniques, which efficiently visualizes the status after the treatment of intracranial aneurysms. In Silent MRA, the 3D image is reconstructed by subtracting the control image from the image obtained by the labeling pulse. Seventy-eight large, unruptured internal carotid aneurysms in 78 patients were the subjects of this study. After 6 months of treatment, they underwent follow-up digital subtraction angiography, Silent MRA, and TOF-MRA, performed simultaneously. The authors found Silent MRA is superior for visualizing blood flow images inside flow-diverter devices compared with TOF-MRA. Furthermore, Silent MRA enables the assessment of aneurysmal embolization status. Silent MRA is useful for assessing the status of large and giant unruptured internal carotid aneurysms after flow-diverter placement.
Tamrazi, B.
- FELLOWS' JOURNAL CLUBPediatricsYou have accessPediatric Atypical Teratoid/Rhabdoid Tumors of the Brain: Identification of Metabolic Subgroups Using In Vivo 1H-MR SpectroscopyB. Tamrazi, S. Venneti, A. Margol, D. Hawes, S.Y. Cen, M. Nelson, A. Judkins, J. Biegel and S. BlümlAmerican Journal of Neuroradiology May 2019, 40 (5) 872-877; DOI: https://doi.org/10.3174/ajnr.A6024
Twenty patients with confirmed atypical teratoid/rhabdoid tumors who underwent MR spectroscopy were included in this study. In vivo metabolite levels of atypical teratoid/rhabdoid tumors were compared with molecular subtypes assessed by achaete-scute homolog 1 expression. In vivo creatine concentrations were higher in tumors that demonstrated achaete-scute homolog 1 expression compared with those without achaete-scute homolog 1 expression. Additionally, levels of myo-inositol were significantly different, whereas lipids approached significance in these 2 cohorts. Higher brain-specific creatine kinase levels were observed in the cohort with achaete-scute homolog 1 expression.
Temkit, M.H.
- PediatricsYou have accessComparison of Iterative Model Reconstruction versus Filtered Back-Projection in Pediatric Emergency Head CT: Dose, Image Quality, and Image-Reconstruction TimesR.N. Southard, D.M.E. Bardo, M.H. Temkit, M.A. Thorkelson, R.A. Augustyn and C.A. MartinotAmerican Journal of Neuroradiology May 2019, 40 (5) 866-871; DOI: https://doi.org/10.3174/ajnr.A6034
Teranishi, K.
- EDITOR'S CHOICEInterventionalYou have accessUsefulness of Silent MR Angiography for Intracranial Aneurysms Treated with a Flow-Diverter DeviceH. Oishi, T. Fujii, M. Suzuki, N. Takano, K. Teranishi, K. Yatomi, T. Kitamura, M. Yamamoto, S. Aoki and H. AraiAmerican Journal of Neuroradiology May 2019, 40 (5) 808-814; DOI: https://doi.org/10.3174/ajnr.A6047
Silent MRA is a procedure using an ultrashort TE and arterial spin-labeling techniques, which efficiently visualizes the status after the treatment of intracranial aneurysms. In Silent MRA, the 3D image is reconstructed by subtracting the control image from the image obtained by the labeling pulse. Seventy-eight large, unruptured internal carotid aneurysms in 78 patients were the subjects of this study. After 6 months of treatment, they underwent follow-up digital subtraction angiography, Silent MRA, and TOF-MRA, performed simultaneously. The authors found Silent MRA is superior for visualizing blood flow images inside flow-diverter devices compared with TOF-MRA. Furthermore, Silent MRA enables the assessment of aneurysmal embolization status. Silent MRA is useful for assessing the status of large and giant unruptured internal carotid aneurysms after flow-diverter placement.
Terceño, M.
- EDITOR'S CHOICEAdult BrainOpen AccessPredicting Motor Outcome in Acute Intracerebral HemorrhageJ. Puig, G. Blasco, M. Terceño, P. Daunis-i-Estadella, G. Schlaug, M. Hernandez-Perez, V. Cuba, G. Carbó, J. Serena, M. Essig, C.R. Figley, K. Nael, C. Leiva-Salinas, S. Pedraza and Y. SilvaAmerican Journal of Neuroradiology May 2019, 40 (5) 769-775; DOI: https://doi.org/10.3174/ajnr.A6038
The authors prospectively studied patients with motor deficits secondary to primary intracerebral hemorrhage within the first 12 hours of symptom onset. Patients underwent multimodal MR imaging including DTI. Intracerebral hemorrhage, perihematomal edema location and volume, and corticospinal tract involvement were assessed. The corticospinal tract was considered affected when the tractogram passed through the intracerebral hemorrhage and/or the perihematomal edema. The authors calculated affected corticospinal tract-to-unaffected corticospinal tract ratios for fractional anisotropy, mean diffusivity, and axial and radial diffusivities. Significant independent predictors of motor outcome were NIHSS and modified NIHSS at admission, posterior limb of the internal capsule involvement by intracerebral hemorrhage at admission, intracerebral hemorrhage volume at admission, 72-hour NIHSS, and 72-hour modified NIHSS. The sensitivity, specificity, and positive and negative predictive values for poor motor outcome at 3 months by a combined modified NIHSS of >6 and posterior limb of the internal capsule involvement in the first 12 hours from symptom onset were 84%, 79%, 65%, and 92%, respectively.
ter Heide, H.
- PediatricsYou have accessBrain and CSF Volumes in Fetuses and Neonates with Antenatal Diagnosis of Critical Congenital Heart Disease: A Longitudinal MRI StudyN.H.P. Claessens, N. Khalili, I. Isgum, H. ter Heide, T.J. Steenhuis, E. Turk, N.J.G. Jansen, L.S. de Vries, J.M.P.J. Breur, R. de Heus and M.J.N.L. BendersAmerican Journal of Neuroradiology May 2019, 40 (5) 885-891; DOI: https://doi.org/10.3174/ajnr.A6021
Thorkelson, M.A.
- PediatricsYou have accessComparison of Iterative Model Reconstruction versus Filtered Back-Projection in Pediatric Emergency Head CT: Dose, Image Quality, and Image-Reconstruction TimesR.N. Southard, D.M.E. Bardo, M.H. Temkit, M.A. Thorkelson, R.A. Augustyn and C.A. MartinotAmerican Journal of Neuroradiology May 2019, 40 (5) 866-871; DOI: https://doi.org/10.3174/ajnr.A6034
Togao, O.
- FELLOWS' JOURNAL CLUBPediatricsOpen AccessIntravoxel Incoherent Motion MR Imaging of Pediatric Intracranial Tumors: Correlation with Histology and Diagnostic UtilityK. Kikuchi, A. Hiwatashi, O. Togao, K. Yamashita, R. Kamei, D. Momosaka, N. Hata, K. Iihara, S.O. Suzuki, T. Iwaki and H. HondaAmerican Journal of Neuroradiology May 2019, 40 (5) 878-884; DOI: https://doi.org/10.3174/ajnr.A6052
Between April 2013 and September 2015, seventeen children with intracranial tumors were included in this retrospective study. Intravoxel incoherent motion parameters were fitted using 13 b-values for a biexponential model. The perfusion-free diffusion coefficient, pseudodiffusion coefficient, and perfusion fraction were measured in high- and low-grade tumors. The authors found significant correlations between the histology and IVIM parameters of different pediatric intracranial tumors. These results suggest that IVIM imaging reflects cell density and vascularity across different types of pediatric brain tumors. They also demonstrated that both the diffusion and perfusion parameters measured on IVIM imaging are useful for grading intracranial neuroectodermal tumors in pediatric patients.
Tsuang, F.-Y.
- SpineYou have accessAssessing Vascularity of Osseous Spinal Metastases with Dual-Energy CT-DSA: A Pilot Study Compared with Catheter AngiographyY.-C. Huang, F.-Y. Tsuang, C.-W. Lee, C.-Y. Wu and Y.-H. LinAmerican Journal of Neuroradiology May 2019, 40 (5) 920-925; DOI: https://doi.org/10.3174/ajnr.A6023
Tu, R.K.
- You have accessChimeric Antigen Receptor T-Cell Therapy: What the Neuroradiologist Needs to KnowH.A. Valand, F. Huda and R.K. TuAmerican Journal of Neuroradiology May 2019, 40 (5) 766-768; DOI: https://doi.org/10.3174/ajnr.A6042
Turk, E.
- PediatricsYou have accessBrain and CSF Volumes in Fetuses and Neonates with Antenatal Diagnosis of Critical Congenital Heart Disease: A Longitudinal MRI StudyN.H.P. Claessens, N. Khalili, I. Isgum, H. ter Heide, T.J. Steenhuis, E. Turk, N.J.G. Jansen, L.S. de Vries, J.M.P.J. Breur, R. de Heus and M.J.N.L. BendersAmerican Journal of Neuroradiology May 2019, 40 (5) 885-891; DOI: https://doi.org/10.3174/ajnr.A6021
U
Ugga, L.
- PediatricsYou have accessPersisting Embryonal Infundibular Recess in Morning Glory Syndrome: Clinical Report of a Novel AssociationA. D'Amico, L. Ugga, R. Cuocolo, M. Cirillo, A. Grandone and R. ConfortiAmerican Journal of Neuroradiology May 2019, 40 (5) 899-902; DOI: https://doi.org/10.3174/ajnr.A6005
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Vadapalli, R.
- FELLOWS' JOURNAL CLUBPediatricsYou have accessFocal Cortical Dysplasia and Refractory Epilepsy: Role of Multimodality Imaging and Outcome of SurgeryS. Jayalakshmi, S.K. Nanda, S. Vooturi, R. Vadapalli, P. Sudhakar, S. Madigubba and M. PanigrahiAmerican Journal of Neuroradiology May 2019, 40 (5) 892-898; DOI: https://doi.org/10.3174/ajnr.A6041
The authors performed a retrospective analysis of data from 188 consecutive patients with focal cortical dysplasia and refractory epilepsy with at least 2 years of postsurgery follow-up. Predictors of seizure freedom and the sensitivity of neuroimaging modalities were analyzed. MR imaging showed clear-cut FCD in 136 (72.3%) patients. Interictal FDG-PET showed focal hypo-/hypermetabolism in 144 (76.6%); in 110 patients in whom ictal SPECT was performed, focal hyperperfusion was noted in 77 (70.3%). Focal resection was the most common surgery performed in 112 (59.6%) patients. Histopathology revealed type I FCD in 102 (54.3%) patients. At last follow-up, 124 (66.0%) were seizure-free. Complete resection of FCD and type II FCD were predictors of seizure freedom. Localization of FCD on either MR imaging or PET or ictal SPECT had the highest sensitivity for seizure freedom at 97.5%. They conclude that during presurgical multimodality evaluation, localization of the extent of the epileptogenic zone in at least 2 imaging modalities helps achieve seizure freedom in about two-thirds of patients with refractory epilepsy due to FCD. FDG-PET is the most sensitive imaging modality for seizure freedom, especially in patients with type I FCD.
Valand, H.A.
- You have accessChimeric Antigen Receptor T-Cell Therapy: What the Neuroradiologist Needs to KnowH.A. Valand, F. Huda and R.K. TuAmerican Journal of Neuroradiology May 2019, 40 (5) 766-768; DOI: https://doi.org/10.3174/ajnr.A6042
Vargas, S.A.
- PediatricsYou have accessNeuroimaging Findings in Moebius SequenceD.A. Herrera, N.O. Ruge, M.M. Florez, S.A. Vargas, M. Ochoa-Escudero and M. CastilloAmerican Journal of Neuroradiology May 2019, 40 (5) 862-865; DOI: https://doi.org/10.3174/ajnr.A6028
Venneti, S.
- FELLOWS' JOURNAL CLUBPediatricsYou have accessPediatric Atypical Teratoid/Rhabdoid Tumors of the Brain: Identification of Metabolic Subgroups Using In Vivo 1H-MR SpectroscopyB. Tamrazi, S. Venneti, A. Margol, D. Hawes, S.Y. Cen, M. Nelson, A. Judkins, J. Biegel and S. BlümlAmerican Journal of Neuroradiology May 2019, 40 (5) 872-877; DOI: https://doi.org/10.3174/ajnr.A6024
Twenty patients with confirmed atypical teratoid/rhabdoid tumors who underwent MR spectroscopy were included in this study. In vivo metabolite levels of atypical teratoid/rhabdoid tumors were compared with molecular subtypes assessed by achaete-scute homolog 1 expression. In vivo creatine concentrations were higher in tumors that demonstrated achaete-scute homolog 1 expression compared with those without achaete-scute homolog 1 expression. Additionally, levels of myo-inositol were significantly different, whereas lipids approached significance in these 2 cohorts. Higher brain-specific creatine kinase levels were observed in the cohort with achaete-scute homolog 1 expression.
Verny, C.
- Adult BrainYou have accessGJA1 Variants Cause Spastic Paraplegia Associated with Cerebral HypomyelinationL. Saint-Val, T. Courtin, P. Charles, C. Verny, M. Catala, R. Schiffmann, O. Boespflug-Tanguy and F. MochelAmerican Journal of Neuroradiology May 2019, 40 (5) 788-791; DOI: https://doi.org/10.3174/ajnr.A6036
Vooturi, S.
- FELLOWS' JOURNAL CLUBPediatricsYou have accessFocal Cortical Dysplasia and Refractory Epilepsy: Role of Multimodality Imaging and Outcome of SurgeryS. Jayalakshmi, S.K. Nanda, S. Vooturi, R. Vadapalli, P. Sudhakar, S. Madigubba and M. PanigrahiAmerican Journal of Neuroradiology May 2019, 40 (5) 892-898; DOI: https://doi.org/10.3174/ajnr.A6041
The authors performed a retrospective analysis of data from 188 consecutive patients with focal cortical dysplasia and refractory epilepsy with at least 2 years of postsurgery follow-up. Predictors of seizure freedom and the sensitivity of neuroimaging modalities were analyzed. MR imaging showed clear-cut FCD in 136 (72.3%) patients. Interictal FDG-PET showed focal hypo-/hypermetabolism in 144 (76.6%); in 110 patients in whom ictal SPECT was performed, focal hyperperfusion was noted in 77 (70.3%). Focal resection was the most common surgery performed in 112 (59.6%) patients. Histopathology revealed type I FCD in 102 (54.3%) patients. At last follow-up, 124 (66.0%) were seizure-free. Complete resection of FCD and type II FCD were predictors of seizure freedom. Localization of FCD on either MR imaging or PET or ictal SPECT had the highest sensitivity for seizure freedom at 97.5%. They conclude that during presurgical multimodality evaluation, localization of the extent of the epileptogenic zone in at least 2 imaging modalities helps achieve seizure freedom in about two-thirds of patients with refractory epilepsy due to FCD. FDG-PET is the most sensitive imaging modality for seizure freedom, especially in patients with type I FCD.
Vossough, A.
- LETTERYou have accessUse of Balanced Steady-State Free Precession Sequences in Evaluation of Drop MetastasesA. Vossough and E.R. MelhemAmerican Journal of Neuroradiology May 2019, 40 (5) E20; DOI: https://doi.org/10.3174/ajnr.A5964
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Wiesmann, M.
- Adult BrainYou have accessIncreased Water Content in Periventricular Caps in Patients without Acute HydrocephalusT. Sichtermann, J.K. Furtmann, S. Dekeyzer, G. Gilmour, A.M. Oros-Peusquens, J.P. Bach, M. Wiesmann, N.J. Shah and O. NikoubashmanAmerican Journal of Neuroradiology May 2019, 40 (5) 784-787; DOI: https://doi.org/10.3174/ajnr.A6033
Wolf, N.I.
- PediatricsYou have accessOculodentodigital Dysplasia: A Hypomyelinating Leukodystrophy with a Characteristic MRI Pattern of Brain Stem InvolvementI. Harting, S. Karch, U. Moog, A. Seitz, P.J.W. Pouwels and N.I. WolfAmerican Journal of Neuroradiology May 2019, 40 (5) 903-907; DOI: https://doi.org/10.3174/ajnr.A6051
Wright, A.G.
- Head & NeckOpen AccessReduced Jet Velocity in Venous Flow after CSF Drainage: Assessing Hemodynamic Causes of Pulsatile TinnitusH. Haraldsson, J.R. Leach, E.I. Kao, A.G. Wright, S.G. Ammanuel, R.S. Khangura, M.K. Ballweber, C.T. Chin, V.N. Shah, K. Meisel, D.A. Saloner and M.R. AmansAmerican Journal of Neuroradiology May 2019, 40 (5) 849-854; DOI: https://doi.org/10.3174/ajnr.A6043
Wu, C.-Y.
- SpineYou have accessAssessing Vascularity of Osseous Spinal Metastases with Dual-Energy CT-DSA: A Pilot Study Compared with Catheter AngiographyY.-C. Huang, F.-Y. Tsuang, C.-W. Lee, C.-Y. Wu and Y.-H. LinAmerican Journal of Neuroradiology May 2019, 40 (5) 920-925; DOI: https://doi.org/10.3174/ajnr.A6023
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Yamamoto, M.
- EDITOR'S CHOICEInterventionalYou have accessUsefulness of Silent MR Angiography for Intracranial Aneurysms Treated with a Flow-Diverter DeviceH. Oishi, T. Fujii, M. Suzuki, N. Takano, K. Teranishi, K. Yatomi, T. Kitamura, M. Yamamoto, S. Aoki and H. AraiAmerican Journal of Neuroradiology May 2019, 40 (5) 808-814; DOI: https://doi.org/10.3174/ajnr.A6047
Silent MRA is a procedure using an ultrashort TE and arterial spin-labeling techniques, which efficiently visualizes the status after the treatment of intracranial aneurysms. In Silent MRA, the 3D image is reconstructed by subtracting the control image from the image obtained by the labeling pulse. Seventy-eight large, unruptured internal carotid aneurysms in 78 patients were the subjects of this study. After 6 months of treatment, they underwent follow-up digital subtraction angiography, Silent MRA, and TOF-MRA, performed simultaneously. The authors found Silent MRA is superior for visualizing blood flow images inside flow-diverter devices compared with TOF-MRA. Furthermore, Silent MRA enables the assessment of aneurysmal embolization status. Silent MRA is useful for assessing the status of large and giant unruptured internal carotid aneurysms after flow-diverter placement.
Yamashita, K.
- FELLOWS' JOURNAL CLUBPediatricsOpen AccessIntravoxel Incoherent Motion MR Imaging of Pediatric Intracranial Tumors: Correlation with Histology and Diagnostic UtilityK. Kikuchi, A. Hiwatashi, O. Togao, K. Yamashita, R. Kamei, D. Momosaka, N. Hata, K. Iihara, S.O. Suzuki, T. Iwaki and H. HondaAmerican Journal of Neuroradiology May 2019, 40 (5) 878-884; DOI: https://doi.org/10.3174/ajnr.A6052
Between April 2013 and September 2015, seventeen children with intracranial tumors were included in this retrospective study. Intravoxel incoherent motion parameters were fitted using 13 b-values for a biexponential model. The perfusion-free diffusion coefficient, pseudodiffusion coefficient, and perfusion fraction were measured in high- and low-grade tumors. The authors found significant correlations between the histology and IVIM parameters of different pediatric intracranial tumors. These results suggest that IVIM imaging reflects cell density and vascularity across different types of pediatric brain tumors. They also demonstrated that both the diffusion and perfusion parameters measured on IVIM imaging are useful for grading intracranial neuroectodermal tumors in pediatric patients.
Yatomi, K.
- EDITOR'S CHOICEInterventionalYou have accessUsefulness of Silent MR Angiography for Intracranial Aneurysms Treated with a Flow-Diverter DeviceH. Oishi, T. Fujii, M. Suzuki, N. Takano, K. Teranishi, K. Yatomi, T. Kitamura, M. Yamamoto, S. Aoki and H. AraiAmerican Journal of Neuroradiology May 2019, 40 (5) 808-814; DOI: https://doi.org/10.3174/ajnr.A6047
Silent MRA is a procedure using an ultrashort TE and arterial spin-labeling techniques, which efficiently visualizes the status after the treatment of intracranial aneurysms. In Silent MRA, the 3D image is reconstructed by subtracting the control image from the image obtained by the labeling pulse. Seventy-eight large, unruptured internal carotid aneurysms in 78 patients were the subjects of this study. After 6 months of treatment, they underwent follow-up digital subtraction angiography, Silent MRA, and TOF-MRA, performed simultaneously. The authors found Silent MRA is superior for visualizing blood flow images inside flow-diverter devices compared with TOF-MRA. Furthermore, Silent MRA enables the assessment of aneurysmal embolization status. Silent MRA is useful for assessing the status of large and giant unruptured internal carotid aneurysms after flow-diverter placement.
Yonemoto, N.
- InterventionalOpen AccessDifferences in Cerebral Aneurysm Rupture Rate According to Arterial Anatomies Depend on the Hemodynamic EnvironmentS. Fukuda, Y. Shimogonya and N. Yonemoto on behalf of the CFD ABO Study GroupAmerican Journal of Neuroradiology May 2019, 40 (5) 834-839; DOI: https://doi.org/10.3174/ajnr.A6030