Oncological Implications of Biliary Tree Cysts: What is Surgical Goal to Achieve?

Background: Biliary tree cysts represent a genetic and pathological dilatation, focal or extended, ofhepatobiliary system. Incidence in western populations is around 1/100.000-1/150.000 and is morefrequent in Asiatique areas (1/1.000). Todani classification is based on site and morphology of cysts. Acute cholangitis is the main clinical presentation, cancer incidence is around 2,5-16%.