Abstract
We analyzed 24 cases with congenital bile duct dilatation operated in childhood and followed up over 3 years after surgery. Among these cases, we performed primary diversion in 14 patients, secondary diversion after initial external drainage for bile duct perforation in 3 and for severe pancreatitis or chorangitis in 3. In 4 patients internal drainage procedure without diversion was performed from 1964 to 1971 at our and at other hospitals. Patients who had primary diversion were sometimes suffered form cholangitis or pancreatitis, but most of them became free of symptoms and well so far. All of patients who had temporary external drainage have been well too. Whereas all patients who underwent internal drainage were suffered from severe cholangitis and required reoperation within 2 to 19 years after the surgery. We recommend cyst excision for who had internal drainage procedure even when asymptomatic. In cases with stasis of pancreatic juice, additional drainage procedure may be indicated.