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American Journal of Neuroradiology 2009;30:581.

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American Journal of Neuroradiology
DOI 10.3174/ajnr.A1279

BRAIN

Imaging Findings of Extraventricular Neurocytoma: Report of 3 Cases and Review of the Literature

G.-F. Yang, S.-Y. Wu, L.-J. Zhang, G.-M. Lu, W. Tian and K. Shah

From the Departments of Nuclear Medicine (G.-F.Y.) and Medical Imaging (L.-J.Z., G.-M.L.), Jinling Hospital, Clinical School of Medical College, Nanjing University, Nanjing, Jiangsu, China; Medical Imaging Institute of Tianjin (S.-Y.W.), Tianjin, China; Center of Medical Imaging (W.T.), First Affiliated Hospital of Kunming Medical College, Kunming, Yunnan, China; and Department of Diagnostic Radiology (K.S.), University of Texas M.D. Anderson Cancer Center, Houston, Texas.

Please address correspondence to Long-Jiang Zhang, Department of Medical Imaging, Jinling Hospital, Clinical School of Medical College, Nanjing University, 305 Zhongshan East Rd, Xuanwu District, Nanjing, Jiangsu 210002, China

SUMMARY: Extraventricular neurocytoma (EVN) is rare entity with similar biologic behavior and histopathologic characteristics to neurocytomas that occur in the lateral ventricles, according to the 2007 World Health Organization classification. We report the cases of 3 patients with extraventricular neurocytoma, which presented as large tumors in the left frontal and parietal lobes and in the sellar region. MR imaging showed cystic degeneration, calcification and/or hemorrhage, intense enhancement, and perilesional edema. EVN should be considered in the differential diagnosis for large, heterogeneous, enhancing brain tumors that occur in young people.




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