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Ampulla of Vater


Colloid carcinoma

Reviewer: Hanni Gulwani, M.D. (see Reviewers page)
Revised: 1 December 2012, last major update August 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.


● Usually associated with intraductal papillary mucinous neoplasm or tubular/tubulovillous adenoma (Am J Surg Pathol 2002;26:56)
● Similar prognosis to other periampullary adenocarcinomas (in above study)

Micro description

● Predominantly mucin lakes with floating malignant epithelial cells and minimal conventional adenocarcinoma
● May contain signet ring cells

Micro images

Colloid carcinoma

End of Ampulla of Vater > Carcinoma > Colloid carcinoma

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