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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 26:1166-1169, May 2005
© 2005 American Society of Neuroradiology

Case Report
BRAIN

Bilateral Germinoma Involving the Basal Ganglia and Cerebral White Matter

Noriko Oyama^a, Satoshi Terae^a, Shinji Saitoh^b, Akira Sudoh^b, Yutaka Sawamura^c and Kazuo Miyasaka^a

^a Department of Radiology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
^b Department of Pediatrics, Hokkaido University Graduate School of Medicine, Sapporo, Japan
^c Department of Neurosurgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan

Address correspondence to Noriko Oyama, MD, Department of Radiology, Hokkaido University Graduate School of Medicine, Kita 15, Nishi 7, Kita-ku, Sapporo 060-8638, Japan

Summary: We describe radiologic findings of germinoma involving bilateral basal ganglia and cerebral white matter. In the early stage, T1-weighted MR images showed hyperintense areas in the bilateral globi pallidi. Later, T2-weighted images showed hyperintense areas involving bilateral white matter. The MR imaging findings reported here could help facilitate the early diagnosis of germ cell tumors in young patients.