Stomach
Carcinoma
Gastric adenosquamous carcinoma
Author: Elliot Weisenberg, M.D.
Last author update: 1 August 2012
Last staff update: 13 December 2023
Copyright: 2003-2024, PathologyOutlines.com, Inc.
PubMed Search: Gastric adenosquamous carcinoma
Table of Contents
Definition / general | Prognostic factors | Microscopic (histologic) description | Positive stainsCite this page: Weisenberg E. Gastric adenosquamous carcinoma. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/stomachadenosquamouscarc.html. Accessed May 9th, 2024.
Definition / general
- Rare; neoplastic squamous component at least 25% of tumor
- Behavior determined by glandular component
Prognostic factors
- Generally poor prognosis
Microscopic (histologic) description
- By definition, neoplastic squamous component at least 25% of tumor; generally transitional zone between squamous and glandular component; lymphovascular invasion common
Positive stains
- CD44 (squamous component) (Arch Pathol Lab Med 2000;124:212)
