Solitary fibrous tumor

Colon tumor
Mesenchymal tumors
Solitary fibrous tumor

Author: Charanjeet Singh, M.D. (see Authors page)

Revised: 4 January 2017, last major update May 2012

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

PubMed search: colonic solitary fibrous tumor

Table of Contents

Definition / general | Case reports | Microscopic (histologic) description | Positive stains | Negative stains

Cite this page: Solitary fibrous tumor. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/colontumorSFT.html. Accessed July 14th, 2017.

Definition / general

Occasionally occurs in peritoneal cavity and adheres to bowel

Case reports

56 year old woman with malignant tumor growing into adipose tissue surrounding colon (Hinyokika Kiyo 2002;48:637)
62 year old man with perianal tumor (Surg Today 1999;29:642)

Microscopic (histologic) description

Patternless pattern of spindle cells and collagen in variable amounts, staghorn vessels at the periphery

Positive stains

CD34

Negative stains

CD117