Cytokeratin 34 beta E12

Topic Completed: 1 July 2013

Minor changes: 28 August 2020

Copyright: 2003-2020,, Inc.

PubMed Search: 34betaE12[title]

Nat Pernick, M.D.
Page views in 2019: 13,281
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Cite this page: Hamilton K, Pernick N. Cytokeratin 34 beta E12. website. Accessed November 26th, 2020.
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 Dr. Stephen J. Schultenover

Thyroid anaplastic carcinoma

Images hosted on other servers:

Prostatic adenocarcinoma is negative with occasional positive benign glands

Low grade bladder neoplasms

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