Renal angiomyolipoma rupture: Case report

Abstract

Generally benign, renal angiomyolipomas are neoplasms composedof mature adipose tissue, smooth muscle, and thick-walled bloodvessels. Although asymptomatic, massive retroperitoneal hemorrhagefrom angiomyolipomas accompanied by hypovolemic shock has beenfound in up to 10% of patients, usually those with large tumors. Wereport the case of a 33-year-old woman with spontaneous rupture ofan angiomyolipoma, who was initially treated with embolization ofthe lesion in order to stabilize her clinical condition, and later submittedto a partial nephrectomy