Stains
Cytokeratin 34 beta E12


Topic Completed: 1 July 2013

Minor changes: 28 August 2020

Copyright: 2003-2020, PathologyOutlines.com, Inc.

PubMed Search: 34betaE12[title]

Nat Pernick, M.D.
Page views in 2019: 13,281
Page views in 2020 to date: 9,917
Cite this page: Hamilton K, Pernick N. Cytokeratin 34 beta E12. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/stainsck34be12.html. Accessed September 23rd, 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
Back to top
Image 01 Image 02