Cytokeratin 13 (CK13, K13)
Reviewer: Nat Pernick, M.D. (see Reviewers page)
Revised: 15 October 2013, last major update June 2005
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.
PubMed Search: CK13[title]
Uses by pathologists
- No significant clinical use by pathologists
Positive staining - normal
- Suprabasal layers of non-cornified stratified epithelium, including squamous (non-keratinized) epithelia of cervix, esophagus, larynx, oral cavity, tonsils, urothelium, and respiratory-type epithelium
- May be filled with mucoid material or foamy macrophages
Positive staining - disease
- Brenner tumor, squamous metaplasia, squamous cell carcinoma (10%), urothelial carcinoma (well differentiated)
End of Stains > Cytokeratin 13 (CK13, K13)
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