Stains & CD markers
Cytokeratin 18 (CK18, K18)

Last author update: 1 October 2013
Last staff update: 25 June 2021

Copyright: 2003-2022,, Inc.

PubMed Search: CK18[title]

Nat Pernick, M.D.
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Cite this page: Pernick N. Cytokeratin 18 (CK18, K18). website. Accessed May 18th, 2022.
Definition / general
Uses by pathologists
Positive staining - normal
Positive staining - not malignant
Positive staining - malignant
Negative staining
Microscopic (histologic) images

Contributed by Leica Microsystems (Biosystems Division)

Colon (normal)

Images hosted on other servers:

Choroid plexus papilloma

Additional references
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