Stains & CD markers
Cytokeratin 34 beta E12

Last author update: 1 July 2013
Last staff update: 5 February 2024 (update in progress)

Copyright: 2003-2024,, Inc.

PubMed Search: 34betaE12[title]

Nat Pernick, M.D.
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Cite this page: Hamilton K, Pernick N. Cytokeratin 34 beta E12. website. Accessed February 26th, 2024.
Definition / general
  • High molecular weight keratin relatively specific for prostate basal cells
  • Reacts to CK1, CK5, CK10 and CK14 and possibly other keratins
  • Also called CK903, high molecular weight keratin
Uses by pathologists
Microscopic (histologic) images

Contributed by Stephen J. Schultenover, M.D.

Thyroid anaplastic carcinoma

Images hosted on other servers:

Low grade bladder neoplasms

Positive staining - normal
Positive staining - not malignant
Positive staining - malignant
Negative staining
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