title: Polyps and polypoid lesions of the colon.
abstract: BACKGROUND
  A significant portion of colorectal biopsies are performed for evaluation of polyps or polypoid lesions. Accurately identifying these lesions will promote better patient care.
  
  
  OBJECTIVE
  Review of the pathology of major colon polyps and polypoid lesions and highlight the most diagnostically useful features and their molecular biology.
  
  
  METHODS
  Review of recent literature.
  
  
  CONCLUSIONS
  Polypoid lesions of the colon can be thought of to be under 3 broad categories: syndromic, mesenchymal, and epithelial.
authors.affiliation: Department of Pathology, Danbury Hospital, 2 Tower Lab, 24 Hospital Avenue, Danbury, CT 06810, USA.
authors.forename: Sharmeen
authors.initials: S
authors.lastname: Mansoor
authors.forename: Tsetan
authors.initials: T
authors.lastname: Dolkar
authors.forename: Hani
authors.initials: H
authors.lastname: El-Fanek
mesh_terms: D000236:Adenoma / Q000145:classification / Q000175:diagnosis / Q000473:pathology; D001706:Biopsy; D003106:Colon / Q000473:pathology; D003110:Colonic Neoplasms / Q000145:classification* / Q000175:diagnosis / Q000473:pathology*; D003111:Colonic Polyps / Q000145:classification* / Q000175:diagnosis / Q000473:pathology*; D003937:Diagnosis, Differential; D006801:Humans; D011230:Precancerous Conditions / Q000145:classification / Q000175:diagnosis / Q000473:pathology
keywords: colon; polyp; polypoid