IR Case: Alcohol Ablation of a Renal Angiomyolipoma

After inserting a catheter into the right renal artery and selecting the small branch feeding the tumor (the patient is lying supine, with head above and feet below, remember!), 3cc of absolute alcohol were injected to ablate (cause inflammation and sclerosis of) the angiomyolipoma. This treatment, of angiomyolipomas that are greater than 4cm, decreases the chance that such tumors may bleed spontaneously.

 

 

Pre-ablation angiographic image of right kidney showing upper pole angiomyolipoma

Pre-ablation angiographic image of right kidney showing upper pole angiomyolipoma

Selective upper pole pre-ablation angiographic image of the right renal angiomyolipoma.

Selective upper pole pre-ablation angiographic image of the right renal angiomyolipoma.

After alcohol ablation, the arterial supply to the angiomyolipoma shows decreased filling with injected contrast, confirming technical treatment success.

After alcohol ablation, the arterial supply to the angiomyolipoma shows decreased filling with injected contrast, confirming technical treatment success.

Slightly later post-ablation image showing decreased blood flow to the upper pole angiomyolipoma.

Slightly later post-ablation image showing decreased blood flow to the upper pole angiomyolipoma.

Paul Dorio