CYSTICERCOSIS is a disease of known cause and well-defined manifestations. Thus, it is somewhat unexpected to make a new observation in an "old" disease. Here we describe what may be the first example of cysticercus involving the peripheral nervous system.
Report of a Case
A 26-year-old, otherwise healthy woman manifested an enlarging, painful nodule located in the upper, inner area of the left arm immediately over the median nerve. She had experienced paresthesias along the median nerve distribution for several weeks before consulting her physician. The patient was Vietnamese but had lived in the United States for the previous five years.On physical examination, the lesion was found to be a poorly defined 2-cm mobile, nontender nodule located close to the bicipital groove. The lesion was characteristic of a schwannoma. Her complete blood cell count (CBC), chemical profile, and chest roentgenogram were all within normal limits.At surgery, a highly