Polyps-general of colon
Reviewers: Shilpa Jain, M.D, New York University (see Reviewers page)
Revised: 4 March 2013, last major update September 2010
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.
● Mass protruding above the colonic mucosa into lumen of gut
● Sessile: no stalk
● Pedunculated: with stalk, may be due to traction on the mass
● Hamartomatous / inflammatory: polyp due to abnormal maturation or architecture (hamartomatous), or inflammation
● Neoplastic / adenomatous: polyp due to proliferation and dysplasia of epithelium
● Polypoid lesions may also be due to mucosal or submucosal tumors
● Clinical impression correlates poorly with neoplasia (J Gastroenterol Hepatol 2006;21:563)
● Appelman recommends calling “benign mucosal polyp” unless (a) diagnosis is adenoma [the only diagnosis that causes clinicians to do anything different] or (b) you can classify it within 30 seconds
End of Colon tumor > Polyps > Polyps-general of colon
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