[Preliminary experience in extracorporeal renal surgery and autotransplants].

Successful management of stenosis of a polar branch of the renal artery by means of autotransplantation is reported. The main indications for this technique are described: arteriosclerosis and injury to the artery, aneurysm, various forms of ureteral injury, bilateral or unilateral renal tumour, coralliform intraparenchymal lithiasis, together, with the techniques for extracorporeal perfusion of the kidney and the mechanisms of the more commonly adopted conservation solutions.