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Published in: Skeletal Radiology 6/2007

01-06-2007 | Case Report

A case of primary extracranial meningioma of the forearm with bone invasion

Authors: Hideki Murata, Mitsuru Takahashi, Tatsuya Takagi, Hirohisa Katagiri, Ichiro Ito, Tsuyoshi Ishida

Published in: Skeletal Radiology | Issue 6/2007

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Abstract

We report here a rare case of primary extracranial meningioma in a 73-year-old woman with an asymptomatic mass located in the left distal-dorsal forearm. MRI revealed the lesion to be poorly circumscribed and unclear, with iso-signal intensity to muscle on T1 and with a relatively high signal intensity on T2-weighted imaging. The histopathology of the specimen from incision biopsy was typical of meningioma, showing bland spindle cell proliferation with a whorling pattern. Immunohistochemically, the tumor cells were positive for epithelial membrane antigen and vimentin, and negative for S-100 expression.
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Metadata
Title
A case of primary extracranial meningioma of the forearm with bone invasion
Authors
Hideki Murata
Mitsuru Takahashi
Tatsuya Takagi
Hirohisa Katagiri
Ichiro Ito
Tsuyoshi Ishida
Publication date
01-06-2007
Publisher
Springer Berlin Heidelberg
Published in
Skeletal Radiology / Issue 6/2007
Print ISSN: 0364-2348
Electronic ISSN: 1432-2161
DOI
https://doi.org/10.1007/s00256-006-0255-5

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