[Atypical presentation of angiomiolypoma in a patient with peritoneal metastases from ovarian cancer: a case report].
A renal mass with not typical instrumental characteristic in patient in follow-up for ovarian neoplasia sets to the surgeon serious doubts about proper surgical strategy. Achieve of the conservative renal surgery assisted by the intraoperative use of the radiofrequency energy has allowed to preserve the renal function and the diagnosis of unknown angiomyolipoma.