ConclusionsThe technique of suture needle puncture and discission of bile duct is a simple,effective and safe method for laparoscopic common duct exploration.
The clinical data of 37 cases with anal fistula with multiple internal openings treated by fistulotomy or incision plus thread-drawing were retrospectively analyzed.
Urinary extravasation occurred in 2 cases.Conclusions:Ureteroscopy can increase the cure rate in the treatment of urethrostenosis or urethratresia, especially for children cases.