Diverticular polyp of colon
Reviewers: Shilpa Jain, M.D. (see Reviewers page)
Revised: 14 October 2011, last major update August 2011
Copyright: (c) 2003-2011, PathologyOutlines.com, Inc.
● Arises in background of diverticular disease
● Usually in sigmoid colon
● Part of the “mucosal prolapse” syndrome (Am J Gastroenterol 2002;97:370)
● High fiber diet is usually effective (Endoscopy 1986;18:84)
● Redundant or polypoid mucosal folds, ranges from 0.5 to 3cm
● Mucosal hemorrhage and congestion, hemosiderin deposition and epithelial hyperplasia with dilated and serrated crypts and bizarre nuclei in stroma, mucosal edema and fibromuscular replacement of lamina propria with thickened and splayed muscularis mucosa
● No dysplastic changes
● Am J Surg Pathol 1991;15:871, Histopathology 1993;23:63
End of Colon tumor > Polyps > Diverticular polyp of colon
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