Fig. 3.

Preventive embolization of large renal angiomyolipoma in 63-year-old woman.

A. Aortography showing round, well-defined intraparenchymatous mass 4 cm in diameter in upper pole of right kidney (arrowheads).

B, C. Selective renal angiogram confirms hypervascularized character of angiomyolipoma.

D, E. Final angiography after using 300-500 µm microspheres to superselectively embolize two main arterial branches with using 3 Fr microcatheter: devascularization of entire angiomyolipoma (arrowheads) with respect to rest of renal parenchyma.