Ampulla of Vater
Carcinoma
Colloid carcinoma

Author: Hanni Gulwani, M.D. (see Authors page)

Revised: 4 February 2016, last major update December 2012

Copyright: (c) 2003-2016, PathologyOutlines.com, Inc.

PubMed Search: Colloid carcinoma[title]
Definition / General
  • 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