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Multiple Lower Extremity Mononeuropathies by Segmental Schwannomatosis: A Case Report.

Research paper by Na Yeon NY Kwon, Hyun-Mi HM Oh, Young Jin YJ Ko

Indexed on: 26 Nov '15Published on: 26 Nov '15Published in: Annals of rehabilitation medicine



Abstract

Schwannoma is an encapsulated nerve sheath tumor that is distinct from neurofibromatosis. It is defined as the occurrence of multiple schwannomas without any bilateral vestibular schwannomas. A 46-year-old man with multiple schwannomas involving peripheral nerves of the ipsilateral lower extremity presented with neurologic symptoms. Electrodiagnostic studies revealed multiple mononeuropathies involving the left sciatic, common peroneal, tibial, femoral and superior gluteal nerves. Histologic findings confirmed the diagnosis of schwannoma. We reported this rare case of segmental schwannomatosis that presented with neurologic symptoms including motor weakness, which was confirmed as multiple mononeuropathies by electrodiagnostic studies.