Gallbladder & extrahepatic bile ducts

Gallbladder nonneoplastic

Cholesterol polyp



Last author update: 1 September 2012
Last staff update: 22 June 2022

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PubMed Search: Cholesterol polyp gallbladder

Hanni Gulwani, M.B.B.S.
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Cite this page: Gulwani H. Cholesterol polyp. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/gallbladdercholesterolpolyp.html. Accessed July 5th, 2022.
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
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

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