Colon tumor
Carcinoma
Squamous cell carcinoma




Topic Completed: 1 June 2015

Revised: 14 January 2019, last major update June 2015

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PubMed Search: Squamous cell carcinoma [title] colon
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Cite this page: Gonzalez R. Squamous cell carcinoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/colontumorscc.html. Accessed May 24th, 2019.
Definition / general
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Etiology
Clinical features
Prognostic factors
Case reports
Treatment
Clinical images

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Rectal squamous cell carcinoma on colonoscopy

Gross images

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Rectal squamous cell carcinoma

Microscopic (histologic) description
  • Similar to squamous cell carcinoma in other organs (polygonal eosinophilic cells with intercellular bridges and keratin formation)
  • Can be poorly differentiated
  • May be basaloid or acantholytic
Microscopic (histologic) images

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Acantholytic SCC of cecum

Tumor cecum mucosa boundary

Poorly differentiated rectal SCC

Positive stains
Differential diagnosis
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