Gallbladder & extrahepatic bile ducts

Gallbladder nonneoplastic

Cholesterol polyp

Topic Completed: 1 September 2012

Minor changes: 20 January 2020

Copyright: 2003-2021,, Inc.

PubMed Search: Cholesterol polyp[TIAB] gallbladder

Hanni Gulwani, M.B.B.S.
Page views in 2020: 4,974
Page views in 2021 to date: 4,709
Cite this page: Gulwani H. Cholesterol polyp. website. Accessed September 21st, 2021.
Definition / general
  • Most common benign polyp (50 - 90%)
  • Morphologic variation of cholesterolosis
  • Usually women (75%), 40 - 50 years old
  • Also associated with young patients with high body mass index (J Korean Surg Soc 2012;82:232)
Case reports
Gross description
  • 4 - 15 mm, yellow, soft, pedunculated, often multiple
Gross images

Images hosted on other servers:

Multiple yellow pedunculated polyps

Microscopic (histologic) description
  • Mucosal projections with lipid laden macrophages covered by normal gallbladder epithelium
Microscopic (histologic) images

Contributed by Andrey Bychkov, M.D., Ph.D. and Jijgee Munkhdelger, M.D., Ph.D.

Polypoid lesion

Stromal macrophages

Lipid laden macrophages

Images hosted on other servers:

Subepithelial lipid laden macrophages

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