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[(Progressive papillomatosis of the common bile duct with tendency to malignant change) ].

Report of a case of progressive papillomatosis of the common bile duct from our hospital--the sixteenth described in the literature. For the first time it had been possible to diagnose the progressive papillomatosis of the common bile duct is a precancer state, this disease should be listed among the differential diagnosis of obstructive jaundice, when all other causes have been excluded. Confirmation of the diagnosis necessitates radical surgery, in order to guarantee optimal management.