Colon tumor
Adenosquamous carcinoma

Author: Raul Gonzalez M.D. (see Authors page)

Revised: 27 December 2016, last major update February 2015

Copyright: (c) 2002-2016,, Inc.

PubMed Search: Adenosquamous carcinoma [title] colon

Cite this page: Adenosquamous carcinoma. website. Accessed May 26th, 2018.
Definition / general
Clinical features
Case reports
  • Surgery with adjuvant treatment
Clinical images

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Circumferential obstructive mass

Bleeding circumferential lobulated mass

Gross images

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Cross section

Microscopic (histologic) description
  • Resembles conventional colorectal adenocarcinoma, but with areas of squamous differentiation, either admixed or distinct
Microscopic (histologic) images

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Collision-like areas

Composite-like areas

Adenosquamous carcinoma

Malignant squamous cells with keratinization

Differential diagnosis