Abstract:Objective:To summarize our experience in the prevention and treatment of accessory hepatic duct injury during operation on biliary tract. Methods:The clinical data of 26 cases with accessory hepatic duct were retrospectively reviewed. Results:Of 26 cases, the accessory hepatic duct were type I in 38.5%(10/26), and no complications including bile leakage, biliary infection and obstructive jaundice developed after division and ligation of the accessory hepatic duct; 26.9% (7/26) were type II, among which, the accessory hepatic duct were injured in 3 cases, but no case developecl complications after relevant treatment; 23.0% (6/26) were type III, among which, injury of accessory bile duct occurred in 2 cases. Of them, 1 case developed bile leakage and was cured by re-operation. 7.7%(2/26) were type IV and 3.9% (1/26) was type V. The cases of type IV and V were not damaged. Conclusions:To prevent injury of accessory hepatic duct, pre-and intra-operation identification of the condition is very important, and especially by intraoperative cholangiography. Different types of accessory hepatic duct injury should be treated by different approaches. Accessory hepatic duct of type I might be cut and ligated. Type II accessory bile duct which enters the cystic duct and should be protected, but, if damaged, different methods of treatment are used,depending on the caliber of accessory hepatic duct. Type III and IV also should be protected, but, when damaged, the accessory hepatic duct should be repaired or performed an internal draining.