Ampulla of Vater
Benign/non-neoplastic
Hyperplastic polyp

Author: Hanni Gulwani, M.D. (see Authors page)

Revised: 22 January 2016, last major update December 2012

Copyright: (c) 2003-2016, PathologyOutlines.com, Inc.

PubMed Search: Hyperplastic polyp
Cite this page: Hyperplastic polyp. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/ampullahyperplasticpolyp.html. Accessed December 11th, 2016.
Definition / General
  • Similar to serrated polyps in colorectum (Hum Pathol 2011;42:1953)
  • Rare, occur in second part of duodenum and ampulla
  • Usually incidentally detected, mean age 50 yrs
  • Uncertain malignant potential
Positive Stains
  • MUC6 expression in crypt bases