TY - CHAP M1 - Book, Section TI - Polyps, Colorectal A1 - Doherty, Gerard M. PY - 2010 T2 - Quick Answers Surgery AB - • Colorectal polyps are masses of tissue that project into the lumen• Heterogeneous group of sessile or pedunculated; benign or malignant; mucosal, submucosal, or muscular lesions• Types include: -Neoplastic (adenomas/carcinomas)-Hamartomas-Inflammatory-Hyperplastic• Most adenomas are tubular, tubulovillous, or villous• Hyperplastic polyps are diminutive lesions most often found in the left colon• Hamartomas are uncommon (rarely malignant)• Adenomas are a premalignant lesion• Vast majority of adenocarcinomas of the large bowel in North America and Europe are believed to evolve from adenomas SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/03/29 UR - accesssurgery.mhmedical.com/content.aspx?aid=58098232 ER -