Colon tumor
Mesenchymal tumors
Endometrial stromal sarcoma of colon

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

Revised: 4 January 2017, last major update November 2016

Copyright: (c) 2003-2017,, Inc.

PubMed search: endometrial stromal sarcoma colon

Cite this page: Endometrial stromal sarcoma of colon. website. Accessed April 24th, 2017.
Definition / General
Essential Features
Clinical Features
Case Reports
Gross Description
  • Tumor often arises in serosa or bowel wall
Micro Description
  • Tongue-like growth of densely packed, plump spindle cells in short fascicles
  • Scanty, ill defined cytoplasm and round or ovoid nuclei with dispersed chromatin
  • Minimal pleomorphism or mitoses
  • Often lymphovascular invasion and perineural invasion despite low grade appearance
  • Endometriosis present in background
Micro Images

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Various images

Colonic endometrial stromal sarcoma

Positive Stains
Negative Stains
Differential Diagnosis