To the Editor.—
Priapism in hematologic malignancy has usually been associated with chronic myelocytic leukemia,1 also rarely with acute leukemia,2 and has been documented as a local circulatory phenomenon in the dorsal vein of the penis. Vadakan and Ortega3 reported a case of acute lymphoblastic leukemia in which priapism developed, associated with central nervous system involvement. We have recently observed a similar finding in a patient with undifferentiated lymphoma.
Report of a Case.—
A 20-year-old white man was transferred here with a diagnosis of undifferentiated lymphoma. Physical findings included generalized lymphadenopathy and bilateral basilar rales, while the cardiovascular system was normal. The liver was enlarged 4 cm below the right costal margin. The spleen was not palpable. There was a palpable midline abdominal tumor mass. The laboratory studies showed the following values: white blood cells, 4,900/cu/mm; hematocrit, 32%; platelets, 315,000/cu mm; blood urea nitrogen, 27 mg/100 ml; and