Ampulla of Vater
Colloid carcinoma

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

Revised: 4 February 2016, last major update December 2012

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

PubMed Search: Colloid carcinoma[title]
Cite this page: Colloid carcinoma. website. Accessed June 22nd, 2018.
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)
Microscopic (histologic) description
  • Predominantly mucin lakes with floating malignant epithelial cells and minimal conventional adenocarcinoma
  • May contain signet ring cells