Case profile: renal angiomyolipoma.

A thirty-three-year-old white male was admitted for evaluation of pain in the right flank of four days’ duration, unassociated with fever, dysuria, or hematuria. Past medical history was negative for calculous disease or trauma. The diagnosis of tuberous sclerosis had been made previously for which seizure activity was controlled with diphenylhydantoin and phenobarbital. Findings on physical examination revealed slight mental retardation and characteristic tuberous lesions of the skin. Blood pressure was 130/80