Presentation of Case A 76-year-old man was admitted to the hospital because of a question of a meningioma. He was well until one year earlier, when he began to have a chronic cough and to lose weight. Two weeks before admission he entered another hospital because of pneumonia. Evaluation showed evidence of chronic lymphocytic leukemia, with a white-cell count of 30,000 and 75 per cent lymphocytes. Repeated stool specimens gave negative tests for occult blood. The thyroxine was normal; serum immunoelectrophoresis revealed a diffuse increase in gamma globulins. An x-ray film of the chest showed bilateral pulmonary infiltrates. A culture.
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