It is reported on the experience with ureterosigmoideostomy in 59 patients. Because of the good long-term results with a maximum follow-up time of 20 years especially in patients suffering from benign congenital anomaly the authors emphasize the current value of ureterosigmoideostomy especially in the treatment of bladder extrophy and aplasy of the urethra and urethral sphincter. In 3 female patients some years after operation a healthy child was born on the natural way.