Carpal Tunnel Syndrome Due to Median Nerve Cavernous Hemangioma; A Case Report

Intraepineural hemangiomas are extremely rare.Only 13 cases of median nerve hemangiomas have been reported in the literature.We report a case that presented with bilateral paresthesia, hypoesthesia and pain at median nerve sensory area.During the operation an intra-neural hemangioma was noticed on the left side.After total excision of the mass and release of the median nerve, there were no recurrence of symptoms after 5-months post-operative follow-up period.Histological examination of the mass confirmed the diagnosis of cavernous hemangioma.Although rare, any mass in the vicinity of the median nerve should be carefully examined and peripheral nerve hemangiomas should be considered in the differential diagnosis of carpal tunnel syndrome.