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Dermal Schwannoma (Neurilemmoma): A Peculiar Foreign Body Reaction?

Kneitz, Hermann MD; Weyandt, Gerhard MD; Meissner, Christoph MD; Gebhart, Edith PhD; Bröcker, Eva B MD

American Journal of Dermatopathology: June 2010 - Volume 32 - Issue 4 - pp 367-369
doi: 10.1097/DAD.0b013e3181bb1972
Extraordinary Case Report

Schwannoma is usually a subcutaneous benign neoplasm that derives from nerve sheath. Pain and neurologic symptoms are uncommon, and exclusively dermal tumors are very rare. Solitary schwannoma has a traumatic origin in some cases, and rarely occur as a part of neurofibromatosis or schwannomatosis. An association of deeply located schwannoma with foreign material has been reported in very few cases. To our knowledge, we present the first case of a painful dermal schwannoma in association to foreign material.

From the *Departments of Dermatology; †Legal Medicine, University Hospital of Würzburg, Würzburg, Germany; and ‡Bavarian State Criminal Police Office, München, Germany.

Reprints: Dr. Hermann Kneitz, MD, Department of Dermatology, University Hospital of Würzburg, Josef-Schneiderstrasse 2, 97080 Würzburg, Germany (e-mail: Kneitz_h@klinik.uni-wuerzburg.de).

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