Case 9-2001

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Abstract
Presentation of CaseA 64-year-old, right-handed woman was admitted to the hospital because of motor and sensory impairment in her right arm.Two years before admission, generalized lymphadenopathy had been diagnosed. At that time, the levels of urea nitrogen, creatinine, and calcium were normal. The hematocrit was 34.8 percent. Microscopical examination of a bone marrow specimen showed increased iron storage. Immunologic tests were performed (Table 1). Immunoelectrophoresis showed an IgG kappa monoclonal protein (1300 mg per deciliter). No Bence Jones protein was detected. A gallium scan showed no abnormalities. The angiotensin-converting enzyme level was normal. Repeated computed tomographic (CT) scans . . .