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Table of Contents

September 01, 2018; Volume 39,Issue 9

Perspectives

  • You have access
    Perspectives
    Scott Collins
    American Journal of Neuroradiology September 2018, 39 (9) 1583; DOI: https://doi.org/10.3174/ajnr.P0068

Review Article

  • Spine
    Open Access
    Review of the Imaging Features of Benign Osteoporotic and Malignant Vertebral Compression Fractures
    J.T. Mauch, C.M. Carr, H. Cloft and F.E. Diehn
    American Journal of Neuroradiology September 2018, 39 (9) 1584-1592; DOI: https://doi.org/10.3174/ajnr.A5528

Methodologic Perspectives

  • Head & Neck
    You have access
    MR Thermography–Guided Head and Neck Lesion Laser Ablation
    D.T. Ginat, S. Sammet and G. Christoforidis
    American Journal of Neuroradiology September 2018, 39 (9) 1593-1596; DOI: https://doi.org/10.3174/ajnr.A5726

General Contents

  • Patient Safety
    You have access
    Gadolinium Deposition in Deep Brain Structures: Relationship with Dose and Ionization of Linear Gadolinium-Based Contrast Agents
    H. Kang, M. Hii, M. Le, R. Tam, A. Riddehough, A. Traboulsee, S. Kolind, M.S. Freedman and D.K.B. Li
    American Journal of Neuroradiology September 2018, 39 (9) 1597-1603; DOI: https://doi.org/10.3174/ajnr.A5751
  • Patient Safety
    You have access
    Gadolinium Deposition within the Pediatric Brain: No Increased Intrinsic T1-Weighted Signal Intensity within the Dentate Nucleus following the Administration of a Minimum of 4 Doses of the Macrocyclic Agent Gadoteridol
    J.R. Young, W.B. Pope and M. Bobinski
    American Journal of Neuroradiology September 2018, 39 (9) 1604-1608; DOI: https://doi.org/10.3174/ajnr.A5748
  • EDITOR'S CHOICEAdult Brain
    Open Access
    Hybrid 3D/2D Convolutional Neural Network for Hemorrhage Evaluation on Head CT
    P.D. Chang, E. Kuoy, J. Grinband, B.D. Weinberg, M. Thompson, R. Homo, J. Chen, H. Abcede, M. Shafie, L. Sugrue, C.G. Filippi, M.-Y. Su, W. Yu, C. Hess and D. Chow
    American Journal of Neuroradiology September 2018, 39 (9) 1609-1616; DOI: https://doi.org/10.3174/ajnr.A5742

    This study evaluates a convolutional neural network optimized for the detection and quantification of intraparenchymal, epidural/subdural, and subarachnoid hemorrhages on noncontrast CT with a 10,159-examination training cohort (512,598 images; 901/8.1% hemorrhages) and an 862-examination test cohort (23,668 images; 82/12% hemorrhages). Accuracy, area under the curve, sensitivity, specificity, positive predictive value, and negative predictive value for hemorrhage detection were 0.975, 0.983, 0.971, 0.975, 0.793, and 0.997 on training cohort cross-validation and 0.970, 0.981, 0.951, 0.973, 0.829, and 0.993 for the prospective test set.

  • Adult Brain
    You have access
    Vessel Wall Enhancement in Unruptured Intracranial Aneurysms: An Indicator for Higher Risk of Rupture? High-Resolution MR Imaging and Correlated Histologic Findings
    N. Larsen, C. von der Brelie, D. Trick, C.H. Riedel, T. Lindner, J. Madjidyar, O. Jansen, M. Synowitz and C. Flüh
    American Journal of Neuroradiology September 2018, 39 (9) 1617-1621; DOI: https://doi.org/10.3174/ajnr.A5731
  • EDITOR'S CHOICEAdult Brain
    Open Access
    Quantitative MRI of Perivascular Spaces at 3T for Early Diagnosis of Mild Cognitive Impairment
    M. Niazi, M. Karaman, S. Das, X.J. Zhou, P. Yushkevich and K. Cai
    American Journal of Neuroradiology September 2018, 39 (9) 1622-1628; DOI: https://doi.org/10.3174/ajnr.A5734

    The authors automated the identification of enlarged perivascular spaces in brain MR images using a custom quantitative program designed with Matlab. They quantified the densities of enlarged perivascular spaces for patients with mild cognitive impairment (n=14) and age-matched cognitively healthy controls (n=15) and compared them to determine whether the density of enlarged perivascular spaces can serve as an imaging surrogate for mild cognitive impairment diagnosis. The density of enlarged perivascular spaces was found to be significantly higher in those with mild cognitive impairment compared with age-matched healthy control subjects.

  • Adult Brain
    You have access
    Prognostic Value of the Metabolic and Volumetric Parameters of 11C-Methionine Positron-Emission Tomography for Gliomas: A Systematic Review and Meta-Analysis
    Y.-i. Kim, Y. Kim, J.Y. Lee and S.J. Jang
    American Journal of Neuroradiology September 2018, 39 (9) 1629-1634; DOI: https://doi.org/10.3174/ajnr.A5707
  • FELLOWS' JOURNAL CLUBAdult Brain
    You have access
    Evaluation of Thick-Slab Overlapping MIP Images of Contrast-Enhanced 3D T1-Weighted CUBE for Detection of Intracranial Metastases: A Pilot Study for Comparison of Lesion Detection, Interpretation Time, and Sensitivity with Nonoverlapping CUBE MIP, CUBE, and Inversion-Recovery-Prepared Fast-Spoiled Gradient Recalled Brain Volume
    B.C. Yoon, A.F. Saad, P. Rezaii, M. Wintermark, G. Zaharchuk and M. Iv
    American Journal of Neuroradiology September 2018, 39 (9) 1635-1642; DOI: https://doi.org/10.3174/ajnr.A5747

    The authors performed a retrospective review of 48 patients with cerebral metastases from June 2016 to October 2017. Brain MRIs included gadolinium-enhanced T1-weighted IR-FSPGR-BRAVO and CUBE, with subsequent generation of nonoverlapping CUBE MIP and overlapping CUBE MIP. Two blinded radiologists identified the total number and location of metastases on each image type. This study suggests that the use of overlapping CUBE MIP or nonoverlapping CUBE MIP for the detection of brain metastases can reduce interpretation time without sacrificing sensitivity, though the contrast-to-noise ratio of lesions is highest for overlapping CUBE MIP.

  • Adult Brain
    Open Access
    MRI Findings in Tumefactive Demyelinating Lesions: A Systematic Review and Meta-Analysis
    C.H. Suh, H.S. Kim, S.C. Jung, C.G. Choi and S.J. Kim
    American Journal of Neuroradiology September 2018, 39 (9) 1643-1649; DOI: https://doi.org/10.3174/ajnr.A5775
  • Adult Brain
    Open Access
    Longitudinal Microstructural Changes in Traumatic Brain Injury in Rats: A Diffusional Kurtosis Imaging, Histology, and Behavior Study
    M.-L. Wang, M.-M. Yu, D.-X. Yang, Y.-L. Liu, X.-E. Wei and W.-B. Li
    American Journal of Neuroradiology September 2018, 39 (9) 1650-1656; DOI: https://doi.org/10.3174/ajnr.A5737
  • Adult Brain
    Open Access
    Adult-Onset Leukoencephalopathy with Axonal Spheroids and Pigmented Glia: An MRI Study of 16 French Cases
    P. Codjia, X. Ayrignac, F. Mochel, K. Mouzat, C. Carra-Dalliere, G. Castelnovo, E. Ellie, F. Etcharry-Bouyx, C. Verny, S. Belliard, D. Hannequin, C. Marelli, Y. Nadjar, I. Le Ber, I. Dorboz, S. Samaan, O. Boespflug-Tanguy, S. Lumbroso and P. Labauge
    American Journal of Neuroradiology September 2018, 39 (9) 1657-1661; DOI: https://doi.org/10.3174/ajnr.A5744
  • Interventional
    You have access
    Intracranial Serpentine Aneurysms: Spontaneous Changes of Angiographic Filling Pattern
    S.G. Kandemirli, S. Cekirge, I. Oran, I. Saatci, O. Kizilkilic, C. Cinar, C. Islak and N. Kocer
    American Journal of Neuroradiology September 2018, 39 (9) 1662-1668; DOI: https://doi.org/10.3174/ajnr.A5746
  • Interventional
    You have access
    Acutely Ruptured Intracranial Aneurysms Treated with Flow-Diverter Stents: A Systematic Review and Meta-Analysis
    F. Cagnazzo, D.T. di Carlo, M. Cappucci, P.-H. Lefevre, V. Costalat and P. Perrini
    American Journal of Neuroradiology September 2018, 39 (9) 1669-1675; DOI: https://doi.org/10.3174/ajnr.A5730
  • Interventional
    You have access
    Feasibility, Safety, and Periprocedural Complications Associated with Endovascular Treatment of Ruptured Intracranial Aneurysms according to the Depth of Anesthesia
    J. Song, C.-Y. Lee and H.-W. Kim
    American Journal of Neuroradiology September 2018, 39 (9) 1676-1681; DOI: https://doi.org/10.3174/ajnr.A5753
  • Interventional
    You have access
    Toward a Better Understanding of Dural Arteriovenous Fistula Angioarchitecture: Superselective Transvenous Embolization of a Sigmoid Common Arterial Collector
    M. Shapiro, E. Raz, M. Litao, T. Becske, H. Riina and P.K. Nelson
    American Journal of Neuroradiology September 2018, 39 (9) 1682-1688; DOI: https://doi.org/10.3174/ajnr.A5740
  • Interventional
    You have access
    Adjunctive Efficacy of Intra-Arterial Conebeam CT Angiography Relative to DSA in the Diagnosis and Surgical Planning of Micro-Arteriovenous Malformations
    A.S. Al-Smadi, A. Elmokadem, A. Shaibani, M.C. Hurley, M.B. Potts, B.S. Jahromi and S.A. Ansari
    American Journal of Neuroradiology September 2018, 39 (9) 1689-1695; DOI: https://doi.org/10.3174/ajnr.A5745
  • Interventional
    You have access
    Investigation of a New Version of the Liquid Embolic Agent PHIL with Extra-Low-Viscosity in an Endovascular Embolization Model
    D.F. Vollherbst, R. Otto, M. Hantz, C. Ulfert, H.U. Kauczor, M. Bendszus, C.M. Sommer and M.A. Möhlenbruch
    American Journal of Neuroradiology September 2018, 39 (9) 1696-1702; DOI: https://doi.org/10.3174/ajnr.A5750
  • Extracranial Vascular
    Open Access
    Five-Year Longitudinal Study of Neck Vessel Cross-Sectional Area in Multiple Sclerosis
    L. Pelizzari, D. Jakimovski, M.M. Laganà, N. Bergsland, J. Hagemeier, G. Baselli, B. Weinstock-Guttman and R. Zivadinov
    American Journal of Neuroradiology September 2018, 39 (9) 1703-1709; DOI: https://doi.org/10.3174/ajnr.A5738
  • Extracranial Vascular
    You have access
    Value of Contrast-Enhanced MRA versus Time-of-Flight MRA in Acute Ischemic Stroke MRI
    T. Boujan, U. Neuberger, J. Pfaff, S. Nagel, C. Herweh, M. Bendszus and M.A. Möhlenbruch
    American Journal of Neuroradiology September 2018, 39 (9) 1710-1716; DOI: https://doi.org/10.3174/ajnr.A5771
  • FELLOWS' JOURNAL CLUBFunctional
    You have access
    Breath-Hold Blood Oxygen Level–Dependent MRI: A Tool for the Assessment of Cerebrovascular Reserve in Children with Moyamoya Disease
    N. Dlamini, P. Shah-Basak, J. Leung, F. Kirkham, M. Shroff, A. Kassner, A. Robertson, P. Dirks, R. Westmacott, G. deVeber and W. Logan
    American Journal of Neuroradiology September 2018, 39 (9) 1717-1723; DOI: https://doi.org/10.3174/ajnr.A5739

    Twenty children (30 imaging sessions, 60 MR scans) with Moyamoya disease underwent dual breath-hold hypercapnic challenge blood oxygen level–dependent MR imaging of cerebrovascular reactivity studies in the same MR imaging session. Within-day, within-subject repeatability of cerebrovascular reactivity estimates, derived from the blood oxygen level–dependent signal, was computed. Breath-hold hypercapnic challenge blood oxygen level–dependent MR imaging is a repeatable technique for the assessment of cerebrovascular reactivity in children with Moyamoya disease and is reliably interpretable for use in clinical practice.

  • FELLOWS' JOURNAL CLUBHead & Neck
    You have access
    Contrast-Enhanced CISS Imaging for Evaluation of Neurovascular Compression in Trigeminal Neuralgia: Improved Correlation with Symptoms and Prediction of Surgical Outcomes
    A.M. Blitz, B. Northcutt, J. Shin, N. Aygun, D.A. Herzka, D. Theodros, C.R. Goodwin, M. Lim and D.P. Seeburg
    American Journal of Neuroradiology September 2018, 39 (9) 1724-1732; DOI: https://doi.org/10.3174/ajnr.A5743

    Retrospective review of high-resolution MRIs was performed in patients without prior microvascular decompression. 3D-CISS imaging without and with contrast for 81 patients with trigeminal neuralgia and 15 controls was intermixed and independently reviewed in a blinded fashion. Cisternal segments of both trigeminal nerves were assessed for the grade of neurovascular conflict, cross-sectional area, and degree of flattening. Contrast-enhanced CISS more than doubled the prevalence of the highest grade of neurovascular conflict (14.8% versus 33.3%) and yielded significantly lower cross-sectional area and greater degree of flattening for advanced-grade neurovascular conflict on the symptomatic side compared with non-contrast-enhanced CISS.

  • Head & Neck
    Open Access
    Comparison of a Photon-Counting-Detector CT with an Energy-Integrating-Detector CT for Temporal Bone Imaging: A Cadaveric Study
    W. Zhou, J.I. Lane, M.L. Carlson, M.R. Bruesewitz, R.J. Witte, K.K. Koeller, L.J. Eckel, R.E. Carter, C.H. McCollough and S. Leng
    American Journal of Neuroradiology September 2018, 39 (9) 1733-1738; DOI: https://doi.org/10.3174/ajnr.A5768
  • Pediatrics
    You have access
    Pseudo-Leptomeningeal Contrast Enhancement at 3T in Pediatric Patients Sedated by Propofol
    A.M. McKinney, A. Chacko Achanaril, B. Knoll, D.R. Nascene and R.S. Gawande
    American Journal of Neuroradiology September 2018, 39 (9) 1739-1744; DOI: https://doi.org/10.3174/ajnr.A5736
  • Pediatrics
    You have access
    Brachial Plexus Ultrasound and MRI in Children with Brachial Plexus Birth Injury
    A. Gunes, E. Bulut, A. Uzumcugil and K.K. Oguz
    American Journal of Neuroradiology September 2018, 39 (9) 1745-1750; DOI: https://doi.org/10.3174/ajnr.A5749
  • Pediatrics
    You have access
    Time Course of Cerebral Perfusion Changes in Children with Migraine with Aura Mimicking Stroke
    K.M. Cobb-Pitstick, N. Munjal, R. Safier, D.D. Cummings and G. Zuccoli
    American Journal of Neuroradiology September 2018, 39 (9) 1751-1755; DOI: https://doi.org/10.3174/ajnr.A5693
  • EDITOR'S CHOICESpine
    You have access
    Feasibility of a Synthetic MR Imaging Sequence for Spine Imaging
    M.I. Vargas, M. Drake-Pérez, B.M.A Delattre, J. Boto, K.-O. Lovblad and S. Boudabous
    American Journal of Neuroradiology September 2018, 39 (9) 1756-1763; DOI: https://doi.org/10.3174/ajnr.A5728

    Thirty-eight patients with clinical indications of infectious, degenerative, and neoplastic disease underwent an MR imaging of the spine. The SyntAc sequence, with an acquisition time of 5 minutes 40 seconds, was added to the usual imaging protocol consisting of conventional sagittal T1 TSE, T2 TSE, and STIR TSE. The image quality was rated as “good” for both synthetic and conventional images. Interreader agreement concerning lesion conspicuity was good with a Cohen kappa of 0.737. The authors conclude that the study shows that synthetic MR imaging is feasible in spine imaging and produces, in general, good image quality and diagnostic confidence.

  • Spine
    You have access
    Association between Type 1 Modic Changes and Propionibacterium Acnes Infection in the Cervical Spine: An Observational Study
    M.M. Georgy, F. Vaida, M. Stern and K. Murphy
    American Journal of Neuroradiology September 2018, 39 (9) 1764-1767; DOI: https://doi.org/10.3174/ajnr.A5741
  • Spine
    You have access
    Simultaneous Bipedicular Radiofrequency Ablation Combined with Vertebral Augmentation for Local Tumor Control of Spinal Metastases
    A. Tomasian, T.J. Hillen, R.O. Chang and J.W. Jennings
    American Journal of Neuroradiology September 2018, 39 (9) 1768-1773; DOI: https://doi.org/10.3174/ajnr.A5752

35 Years Ago in AJNR

  • You have access
    Celebrating 35 Years of the AJNR
    American Journal of Neuroradiology September 2018, 39 (9) 1774; DOI: https://doi.org/10.3174/ajnr.P0063

Letters: (Online only)

  • You have access
    Memorial: Galdino Valvassori, MD, FACR
    M. Mafee and D. Spigos
    American Journal of Neuroradiology September 2018, 39 (9) E99; DOI: https://doi.org/10.3174/ajnr.A5716
  • You have access
    MR Imaging Features of Adult-Onset Neuronal Intranuclear Inclusion Disease May Be Indistinguishable from Fragile X–Associated Tremor/Ataxia Syndrome
    I.G. Padilha, R.H. Nunes, F.A. Scortegagna, J.L. Pedroso, V.H. Marussi, M.R. Rodrigues Gonçalves, O.G.P. Barsottini and A.J. da Rocha
    American Journal of Neuroradiology September 2018, 39 (9) E100-E101; DOI: https://doi.org/10.3174/ajnr.A5729
  • You have access
    Reply:
    A. Sugiyama and N. Sato
    American Journal of Neuroradiology September 2018, 39 (9) E102; DOI: https://doi.org/10.3174/ajnr.A5757
  • You have access
    Blunt Cerebrovascular Injuries: Advances in Screening, Imaging, and Management Trends
    A. Malhotra, X. Wu and K. Seifert
    American Journal of Neuroradiology September 2018, 39 (9) E103; DOI: https://doi.org/10.3174/ajnr.A5733
  • You have access
    Reply:
    P. Nagpal, B.A. Policeni, M. Kwofie, G. Bathla, C.P. Derdeyn and D. Skeete
    American Journal of Neuroradiology September 2018, 39 (9) E104; DOI: https://doi.org/10.3174/ajnr.A5758
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American Journal of Neuroradiology: 39 (9)
American Journal of Neuroradiology
Vol. 39, Issue 9
1 Sep 2018
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