Cytokeratin 18 (CK18, K18)

Topic Completed: 1 October 2013

Revised: 5 March 2019

Copyright: 2003-2018,, Inc.

PubMed Search: CK18[title]

Nat Pernick, M.D.
Page views in 2018: 6,148
Page views in 2019 to date: 4,983
Cite this page: Pernick N. Cytokeratin 18 (CK18, K18). website. Accessed September 23rd, 2019.
Definition / general
Uses by pathologists
Positive staining - normal
Positive staining - not malignant
Positive staining - malignant
Negative staining
Microscopic (histologic) images

Images hosted on Pathout server:

Contributed by Leica Microsystems (Biosystems Division)

Colon (normal)
CK 8 / 18 (5D3)
with intense cytoplasmic
and membranous staining

Images hosted on other servers:

Choroid plexus papilloma


Additional references
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