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Colon tumor


Carcinosarcoma of colon

Reviewers: Charanjeet Singh, M.D. (see Reviewers page)
Revised: 14 October 2011, last major update September 2011
Copyright: (c) 2003-2011, PathologyOutlines.com, Inc.

Clinical features

● Also called sarcomatoid carcinoma
● Very rare
● Aggressive

Case reports

● 13 year old girl (Pathol Int 2008;58:445)
● 65 year old male with bowel perforation (J Korean Soc Coloproctol 2010;26:368)
● 80 year old woman with recurrent tumor (Surg Today 2003;33:545)
● 81 year old man with ascending colon tumor and liver metastases (BMC Cancer 2006;6:185)
● Invading mesentery and omentum (Clin Imaging 2005;29:259)

Micro description

● Typical adenocarcinoma plus malignant spindle cells with bony or cartilaginous differentiation

Micro images

Various images

Positive stains

● Cytokeratin for both components

End of Colon tumor > Carcinoma > Carcinosarcoma of colon

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