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American Journal of Neuroradiology 25:766-768, May 2004
© 2004 American Society of Neuroradiology

Case Report
BRAIN

Degenerative Thalamic Hamartoma: CT and MR Imaging Features

Tomoki Kanekoa, Rei Kawakamia, Yasunari Fujinagaa, Kazuhiro Oguchib, Jun Nakayamac, Kazuhiro Hongoc and Masumi Kadoyaa

a Department of Radiology, Shinshu University School of Medicine, Matsumoto, Japan
b Department of Pathology, Shinshu University School of Medicine, Matsumoto, Japan
c Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan

Address correspondence to Tomoki Kaneko, MD, Department of Radiology, Shinshu University School of Medicine, 3–1-1 Asahi, Matsumoto 390-8621 Japan

Summary: We describe hamartomas of possible thalamic origin. CT revealed marked calcification in the mass lesion, and MR imaging revealed contrast enhancement. Histologically, outgrowth of the glia was observed, but no neoplastic component was confirmed. Immunohistochemical staining was positive for the cell-adhesion factor N-CAM and negative for polysialic acid.






Copyright © 2008 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X