20% of patients with renal angiomyolipomas have tuberous sclerosis. 55-75% of patients with tuberous sclerosis have renal angiomyolipomas.

The association between tuberous sclerosis and hepatic angiomyolipomas is less strong - only 6% of hepatic angiomyolipomas have tuberous sclerosis, but the liver is the second most common organ involved.