(1) Resuhs we found with duodenoscopy to treat bile duct stones is the best operation.

(2) Objectives To investigate the effect of the treatment of biliary ascarid with duodenoscopy.

(3) To explore the advantage of treating refractory intra and extra hepatolithiasis with combining choledochoscopy, duodenoscopy and laparoscopy.

(4) The correct diagnostic rates of air barium double contrast radiography and duodenoscopy were 82.4% and 93.3% respectively.

(5) The main finding was an inflammatory edema of Vater papilla under the duodenoscopy.

(6) Objective:To summarize the experience of treatment of extrahepatic bile duct stones by laparoscopy combined with duodenoscopy in the last two years.

(7) Objective:To discuss the clinical effect of combined use of duodenoscopy and laparoscopy for treatment of cholecystolithiasis complicated by choledocholithiasis.

(8) Methods From 1998-2002, in our hospital 32 cases received the duodenoscopy to treat bile duct stones were retrospectively and lyzed.

(9) Objective To explore how to improve the curative effects and reduce the complications of duodenoscopy in the treatment of bile duct diseases.

(10) Conclusion After biliary exploration application of combined choledochoscope and duodenoscopy is a safe, effective and minimally-invasive approach for treating benign terminal bile duct stricture.