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Index by author

July 01, 2014; Volume 35,Issue 7

  1. Yeom, K.W.

    1. Brain
      Open Access
      Diffusion-Weighted Imaging with Dual-Echo Echo-Planar Imaging for Better Sensitivity to Acute Stroke
      S.J. Holdsworth, K.W. Yeom, M.U. Antonucci, J.B. Andre, J. Rosenberg, M. Aksoy, M. Straka, N.J. Fischbein, R. Bammer, M.E. Moseley, G. Zaharchuk and S. Skare
      American Journal of Neuroradiology July 2014, 35 (7) 1293-1302; DOI: https://doi.org/10.3174/ajnr.A3921
    2. Pediatrics
      Hydrocephalus Decreases Arterial Spin-Labeled Cerebral Perfusion
      K.W. Yeom, R.M. Lober, A. Alexander, S.H. Cheshier and M.S.B. Edwards
      American Journal of Neuroradiology July 2014, 35 (7) 1433-1439; DOI: https://doi.org/10.3174/ajnr.A3891
    3. 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.

  2. Yuki, I.

    1. FELLOWS' JOURNAL CLUBNeurointervention
      Natural Course of Dissecting Vertebrobasilar Artery Aneurysms without Stroke
      N. Kobayashi, Y. Murayama, I. Yuki, T. Ishibashi, M. Ebara, H. Arakawa, K. Irie, H. Takao, I. Kajiwara, K. Nishimura, K. Karagiozov and M. Urashima
      American Journal of Neuroradiology July 2014, 35 (7) 1371-1375; DOI: https://doi.org/10.3174/ajnr.A3873

      More than 100 conservatively managed nonstroke dissecting vertebrobasilar artery aneurysms were followed on average for 3 years. Ninety-seven percent of patients remained clinically unchanged and the 3 patients who deteriorated clinically had aneurysm enlargement. The natural course of these lesions suggests that acute intervention is not always required and close follow-up without antithrombotic therapy is reasonable. Patients with symptoms due to mass effect or aneurysms of >10 mm may require treatment.

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