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Index by author

July 01, 2014; Volume 35,Issue 7

  1. Papavassiliou, E.

    1. Brain
      Low-Power Inversion Recovery MRI Preserves Brain Tissue Contrast for Patients with Parkinson Disease with Deep Brain Stimulators
      S.N. Sarkar, E. Papavassiliou, R. Rojas, D.L. Teich, D.B. Hackney, R.A. Bhadelia, J. Stormann and R.L. Alterman
      American Journal of Neuroradiology July 2014, 35 (7) 1325-1329; DOI: https://doi.org/10.3174/ajnr.A3896

  2. Partap, S.

    1. FELLOWS' JOURNAL CLUBExpedited Publication
      Open Access
      MRI Surrogates for Molecular Subgroups of Medulloblastoma
      S. Perreault, V. Ramaswamy, A.S. Achrol, K. Chao, T.T. Liu, D. Shih, M. Remke, S. Schubert, E. Bouffet, P.G. Fisher, S. Partap, H. Vogel, M.D. Taylor, Y.J. Cho and K.W. Yeom
      American Journal of Neuroradiology July 2014, 35 (7) 1263-1269; DOI: https://doi.org/10.3174/ajnr.A3990

      These authors seek to establish the imaging features that would allow classification of medulloblastomas according to their genetic attributes. In nearly 100 tumors they found that groups 3 and 4 occurred predominantly in the fourth ventricle, wingless ones were located in the cerebellar peduncles or CPA region, and sonic hedgehog tumors were present in cerebellar hemispheres. Midline group 4 tumors showed minimal contrast enhancement. Thus, tumor location and contrast-enhancement patterns may be predictive of the molecular subtypes of medulloblastoma.

  3. Patzig, M.

    1. EDITOR'S CHOICEInterventional
      Use of Flow-Diverting Devices in Fusiform Vertebrobasilar Giant Aneurysms: A Report on Periprocedural Course and Long-Term Follow-Up
      L. Ertl, M. Holtmannspötter, M. Patzig, H. Brückmann and G. Fesl
      American Journal of Neuroradiology July 2014, 35 (7) 1346-1352; DOI: https://doi.org/10.3174/ajnr.A3859

      This article presents the authors' experience and long-term follow-up of 6 patients with fusiform and giant aneurysms of the vertebrobasilar system treated with flow-diverting devices. Devices were deployed uneventfully with no periprocedural complications. One year later, 3 patients had recurrent cerebral infarctions and 2 had acute thrombotic in-stent occlusions. Four patients died during the follow-up period. The authors do not intend to treat any more patients in this fashion until they have a better understanding of flow-diverting devices in this setting.

  4. Pereira, V.M.

    1. Interventional
      Impact of Age and Baseline NIHSS Scores on Clinical Outcomes in the Mechanical Thrombectomy Using Solitaire FR in Acute Ischemic Stroke Study
      M.A. Almekhlafi, A. Davalos, A. Bonafe, R. Chapot, J. Gralla, V.M. Pereira and M. Goyal on behalf of the STAR Registry Investigators
      American Journal of Neuroradiology July 2014, 35 (7) 1337-1340; DOI: https://doi.org/10.3174/ajnr.A3855

  5. Perreault, S.

    1. FELLOWS' JOURNAL CLUBExpedited Publication
      Open Access
      MRI Surrogates for Molecular Subgroups of Medulloblastoma
      S. Perreault, V. Ramaswamy, A.S. Achrol, K. Chao, T.T. Liu, D. Shih, M. Remke, S. Schubert, E. Bouffet, P.G. Fisher, S. Partap, H. Vogel, M.D. Taylor, Y.J. Cho and K.W. Yeom
      American Journal of Neuroradiology July 2014, 35 (7) 1263-1269; DOI: https://doi.org/10.3174/ajnr.A3990

      These authors seek to establish the imaging features that would allow classification of medulloblastomas according to their genetic attributes. In nearly 100 tumors they found that groups 3 and 4 occurred predominantly in the fourth ventricle, wingless ones were located in the cerebellar peduncles or CPA region, and sonic hedgehog tumors were present in cerebellar hemispheres. Midline group 4 tumors showed minimal contrast enhancement. Thus, tumor location and contrast-enhancement patterns may be predictive of the molecular subtypes of medulloblastoma.

  6. Piu, P.

    1. Extracranial Vascular
      A Sonographic Quantitative Cutoff Value of Cerebral Venous Outflow in Neurologic Diseases: A Blinded Study of 115 Subjects
      L. Monti, E. Menci, P. Piu, S. Leonini, U. Arrigucci, M. Bellini, A. Zandonella, P. Galluzzi and A. Casasco
      American Journal of Neuroradiology July 2014, 35 (7) 1381-1386; DOI: https://doi.org/10.3174/ajnr.A3864

  7. Prabhakaran, S.

    1. EDITOR'S CHOICEBrain
      Perfusion-Based Selection for Endovascular Reperfusion Therapy in Anterior Circulation Acute Ischemic Stroke
      S. Prabhakaran, M. Soltanolkotabi, A.R. Honarmand, R.A. Bernstein, V.H. Lee, J.J. Conners, F. Dehkordi-Vakil, A. Shaibani, M.C. Hurley and S.A. Ansari
      American Journal of Neuroradiology July 2014, 35 (7) 1303-1308; DOI: https://doi.org/10.3174/ajnr.A3889

      The authors attempted to determine if reperfusion therapy for anterior circulation acute stroke based on MR perfusion resulted in better outcomes at 3 months than that based on noncontrast CT. Perfusion imaging-selected patients had a better outcome than those selected with only noncontrast CT but MR perfusion- and CT perfusion-selected patients had similar outcomes. In this multicenter study, patients with acute stroke who underwent perfusion imaging were more than 2-fold more likely to have good outcomes following endovascular reperfusion therapy

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