Intraoperative cholangiography in the course of laparoscopic cholecystectomy is not only valuable to detect common bile duct stones, but also to delineate the anatomy of the biliary ducts, facilitate the dissection, avoid injuries to the biliary tract and identify other abnormalities, such as fistulas, cysts and tumors of the biliary system. Most surgeons use a variation of the transcystic injection of contrast. To be continiued