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[Intraneural perineurioma: an unusual nerve sheath tumor]
S Michalak1, T Lefrancq, C Bertocchi
1Service d'Anatomie Pathologique, Hôpital Trousseau, Tours.
Annales De Pathologie
|May 13, 1999
Abstract:
We report a case of intraneural perineurioma, developed in the left cubital nerve, in a five-year old girl. This intraneural tumor is rare and shows a typical histologic appearance: concentric whorls of perineurial cells EMA+, PS100-, around nerve fibers. This tumor must be distinguished from extraneural or soft tissue perineurioma, also composed of perineurial cells, with distinct clinical presentation and histological appearance.