A 54-year-old woman (Patient 1) 10 years after acute embolizaton of spontaneous bleeding from a 7 cm angiomyolipoma in left kidney. About one-third of the kidney was selectively embolized. At follow-up the residual tumor measured 2 cm and the renographic functional distribution of left/right kidney was 39/61% and the total kidney function (eGFR) was normal.