[Kidney lipomatosis in a transplantation donor].

OBJECTIVES The aim of this clinical note is to report one case of incidental superficial renal mass during an organ explantation. METHODS The renal donor was a 56-years-old male patient death for subaracnoidea haemorrhage without urological history. RESULTS The anatomopathologic intraoperative study of the renal masses informed about the fatty nature of the tissue, and the renal implantation was performed. CONCLUSIONS The find of a superficial renal mass during an organ explantatiation determine the necessity of a preoperative biopsy.