[Cystic anomalies of the external bile ducts in children].

Observations of 44 patients aged from 20 days to 15 years were used for making a classification of cystic anomalies of bile ducts. The method of choice for the operative intervention is creation of cystoduodenoanastomosis with resection of the gallbladder. A stable effect in remote terms of treatment can be obtained by endoscopic sanitation of the zone of cystoduodenoanastomosis.