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Gallbladder

Benign gallbladder tumors

Villous papilloma

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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● Associated with metachromatic leukodystrophy in children and adults
● May cause massive hemobilia

Case reports
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● 2 year old girl with metachromatic leukodystrophy (Hum Pathol 1984;15:1192)
● Middle aged woman with acromegaly (World J Gastroenterol 2007;13:3144)
● 76 year old woman with upper abdominal pain (Hepatogastroenterology 1997;44:681)

Micro images
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Foveolar-type tubulopapillary (villous) adenoma arising in Rokitansky-Aschoff sinus; lining cells are tall columnar with abundant cytoplasm and basal nuclei


Diffuse nuclear expression of CDX2 in an intestinal-type papillary (villous) adenoma

End of Gallbladder > Benign gallbladder tumors > Villous papilloma

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