A Prospective Study of Common Bile Duct Calculi in Patients Undergoing Laparoscopic Cholecystectomy: Natural History of Choledocholithiasis Revisited

摘要

Choledocholithiasis were found in 3.4% of patients selected for laparoscopic cholecystectomy. On repeated tube cholangiography, more than one third of these had spontaneous clearance of their common bile ducts at 6 weeks postoperatively, leaving only 2.2% of patients requiring endoscopic retrograde cholangiopancreatography stone retrieval.