Lipofibroma of the median nerve.

Tumors arising within the median nerve in the region of the distal forearm, wrist, and palm are rare and their exact pathological nature has not been well clarified. One case is reported in a 47-year-old woman, in whom a mass of 3 years' duration was located in the thenar eminence of the right hand without causing any sensory or motor deficit. The tumor was surgically excised, and the continuity of the nerve branches was preserved. The diagnosis of lipofibroma of the median nerve is recommended for this entity. Other pathological lesions of the median nerve are mentioned.