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Colon tumor


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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