A Case of Plexiform Schwannoma / 대한피부과학회지

ABSTRACT

Plexiform schwannoma is a rare variant of shwannoma, originating from the nerve sheath. It is very impoirtant to differentiate plexiform schwannoma from plexiform neurofibroma, which is pathognomonic of von Reckilnghausen's disease and carries a significant risk of malignant transformation. Plexiform schwannoma is not necessarily associated with von Reckilnghausen's disease and malignant transformation has never been observed. We present a 11-year-old boy who had a nodole on right forearm with tenderness and a tingling sensation. On the histopathological and immunohistochemical examinations, the lesion showed typical features of plexiform schwannoma, The nodule was totally excised under local anesthcsia. Recurrence has not been observed in the six months follow-up period.