Renal angiolipomas combined with renal cystic disease in tuberous sclerosis

A 19-year-old white man presented with tuberous sclerosis. Ultrasonography revealed enlarged kidneys with multiple echogenic and echo-free areas due to angiomyolipomas and cysts, respectively. This echographic appearance is extremely seldom, and it is thought to be specific for tuberous sclerosis. The literature is reviewed and problems of diagnosis and therapy are discussed.