[Distal ureteral stenosis following kidney transplantation].

75 patients after renal allotransplantation were investigated for postoperative urological complications. 11 patients were found to have a stenosis of vesicoureteral anastomosis. According to clinical and radiological findings a classification into three stadiums was performed. Stage I indicates no necessity for operation. Two patients in Stage II and three patients in Stage III underwent surgical treatment for stenosis of ureteroneocystostomy. Treatment led to improved renal function and loss of urinary tract infection in 4 patients. The results of the study indicated treatment of stenosis after ureteroneocystostomy in Stage II prior to severe damage of renal allograft.