TY - CHAP M1 - Book, Section TI - Biliary Neoplasms, Benign A1 - Doherty, Gerard M. PY - 2010 T2 - Quick Answers Surgery AB - • Gallbladder adenoma-Rare-Considered premalignant lesion-Minimal to no risk if < 1 cm• Papillomatosis: Multiple gallbladder adenomas• Adenomyomatosis: Gallbladder wall hyperplasia that can be diffuse, possibly premalignant• Leiomyomas, lipomas, hemangiomas, and heterotopic GI tissue are all other possible benign biliary neoplasms• Approximately 67% of benign biliary neoplasms are polyps, adenomatous papillomas, or bile duct adenomas; not known to have malignant potential• 47% of benign biliary neoplasms found in periampullary region and 27% found in common bile duct SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/03/28 UR - accesssurgery.mhmedical.com/content.aspx?aid=58104272 ER -