[Aggressive renal angiomyolipoma extending to the renal vein: about a case and literature review].

Renal angiomyolipoma is a benign tumor. It is characterized of three different components: muscular, vascular and greasy. Their distribution is variable. Diagnosis is based on the identification of the intratumoral greasy component on CT scan and MRI. In exceptional circumstances, this tumor may be aggressive with locoregional and venous extension (renal vein and inferior vena cava). We here report the case of a 37-year old patient with voluminous renal angiomyolipoma extending to the renal vein.