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EXTRAHEPATIC BILIARY ANATOMY AT LAPAROSCOPIC CHOLECYSTECTOMY: IS ABERRANT ANATOMY IMPORTANT?

Background:  The prevention of major duct injury at cholecystectomy relies on the accurate dissection of the cystic duct and artery, and avoidance of major adjacent biliary and vascular structures. Innumerable variations in the anatomy of the extrahepatic biliary tree and associated vasculature have been reported from radiographical and anatomical studies, and are cited as a potential cause of bile duct injury at cholecystectomy.