Benign gallbladder tumors
Hyperplastic / metaplastic polyp

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

Revised: 6 February 2018, last major update September 2012

Copyright: (c) 2003-2018,, Inc.

PubMed Search: Hyperplastic metaplastic polyp gallbladder

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Cite this page: Gulwani, H. Hyperplastic / metaplastic polyp. website. Accessed January 21st, 2019.
Definition / general
  • Common - 25% of benign polyps
Case reports
Gross description
  • < 5 mm, brown gray, granular or villiform, sessile or pedunculated, usually multiple
Microscopic (histologic) description
  • Usually nodules of pyloric type glands
Differential diagnosis