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Gallbladder

Benign gallbladder tumors

Cholesterol polyp

Reviewer: Hanni Gulwani, M.D. (see Reviewers page)
Revised: 14 February 2013, last major update September 2012
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.

General
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● 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
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● Adenocarcinoma of the gallbladder confined to a cholesterol polyp (Am J Gastroenterol 1999;94:2568)

Gross description
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● 4-15 mm, yellow, soft, pedunculated, often multiple

Gross images
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Multiple yellow pedunculated polyps

Micro description
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● Mucosal projections with lipid-laden macrophages covered by normal gallbladder epithelium

Micro images
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Subepithelial lipid laded macrophages

End of Gallbladder > Benign gallbladder tumors > Cholesterol polyp

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