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Gallbladder

Benign gallbladder tumors

Inflammatory 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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● 15% of benign polyps
● Associated with chronic cholecystitis

Case reports
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● 69 year old man with inflammatory polyp mimicking early polypoid carcinoma.(Case Rep Gastroenterol 2009;3:255)

Gross description
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● 3-15 mm, red-gray-brown, usually sessile and single

Gross images
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Smooth-surfaced polyp

Micro description
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● Sessile mucosal projections with a surface of columnar epithelial cells covering a fibrous stroma with chronic inflammatory cells and lipid-laden macrophages in granulation-type tissue

Micro images
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Nonneoplastic polyp with edematous stroma and infiltration of lymphocytes and plasma cells

End of Gallbladder > Benign gallbladder tumors > Inflammatory polyp


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