[Surgical treatment of choledochal cyst].

The article analyses experience with the treatment of 5 female patients with a rare disease of the extrahepatic biliary tract--cysts of the choledochus. Errors and complications in surgical tactics are shown. The authors recommend the means for improving the diagnosis and the choice of adequate tactics in various surgical situations in cysts of the choledochus. Cholecystectomy with creation of a +cysto-duodeno-anastomosis and removal of the cause of chronic impairment of duodenal patency is the adequate operation.