Abstract
Awareness of variations in the anatomy of extrahepatic bile ducts may be important in preventing iatrogenic injury to the duct system during cholecystectomy. Their delineation, before or during surgery is therefore considered mandatory in this surgical unit, and a policy of always performing a per-operative cholangiogram has allowed us to evaluate the duct system in a retrospective review of 2080 cases. Twelve surgically significant anatomical variations were found, consisting of absent cystic duct (three cases), abnormal termination of cystic duct (two into the right hepatic duct, and one into the left hepatic duct), one case of double cystic duct, and five cases of significant accessory bile ducts.
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