Plexiform schwannoma of the forearm.

Katsumi, Keiichi; Ogose, Akira; Hotta, Tetsuo; Hatano, Hiroshi; Kawashima, Hiroyuki; Umezu, Hajime; Endo, Naoto · Skeletal Radiol · 2003

case_report · Level V

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Abstract

We report a case of plexiform schwannoma located in the flexor muscles of the forearm in the absence of other signs of neurofibromatosis or schwannomatosis. Magnetic resonance examination revealed a multinodular irregular inhomogeneous mass. Some nodules displayed a peripheral, high intensity rim and a central low intensity (target sign) on T2-weighted images. Pre-operative diagnosis of the rare plexiform schwannoma may be possible with careful imaging examination for the target sign.

Medical subject headings

Anatomy