Extrahepatic Bile Duct Papillary Adenoma

**Semantic type:** Neoplastic Process

**Definition:** An adenoma that arises from the extrahepatic bile ducts. It is characterized by the presence of a papillary growth pattern.

**Synonyms:** - Papillary Adenoma of Extrahepatic Bile Duct - Papillary Adenoma of the Extrahepatic Bile Duct