Hyperplastic polyp / mucinous hyperplasia
Reviewer: Jaleh Mansouri, M.D., (see Reviewers page)
Revised: 20 October 2012, last major update August 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.
● Resembles colonic hyperplastic polyp
● More common in women, which may reflect higher incidence of incidental appendectomy in women
● Usually age 40+ years
● Associated with adenocarcinoma of right colon, although not precancerous per se
● Usually sessile or flat
● May appear as diffuse lesion without well-defined borders
● Resembles colonic hyperplastic polyp: columnar and goblet cell proliferation with elongated and dilated tubules
● Luminal outlines are serrated
● Minimal hyperchromasia and no stratification
● Villous adenoma (dysplastic nuclei), serrated polyp with abnormal proliferation/sessile serrated polyp/sessile serrated adenoma (Am J Clin Pathol 2010;133:623)
End of Appendix > Benign tumors > Hyperplastic polyp / mucinous hyperplasia
This information is intended for physicians and related personnel, who understand that medical information is often imperfect, and must be interpreted in the context of a patient's clinical data using reasonable medical judgment. This website should not be used as a substitute for the advice of a licensed physician.
All information on this website is protected by copyright of PathologyOutlines.com, Inc. Information from third parties may also be protected by copyright. Please contact us at copyrightPathOut@gmail.com with any questions (click here for other contact information).