Abstract
Biliary adenoma is uncommon benign neoplasm of the biliary system,of unknown aetiology and account for approximately 0.1％-2％ of all gastrointestinal benign tumors.Most of patients are asymptomatic; a few patients have mild jaundice or abdominal discomfort.To our knowledge,there were only a few cases ofbiliary papillomatosis reported in the previous literatures,which only showed solitary tumor in bile duct.We presented a rare case with multiple biliary adenomas in extrahepatic bile duct confirmed by endoscopic retrograde cholangiopancreatography (ERCP) and histopathology.After 3 months follow-up,the patient remained asymptomatic.
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