CD Markers

Author: Nat Pernick, M.D. (see Authors page)

Revised: 10 November 2015, last major update February 2002

Copyright: (c) 2002-2015,, Inc.

Definition / General
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Poorly differentiated squamous cell carcinoma

Positive Staining - Normal
  • Broad, B and T cells and B cell precursors, monocytes, osteoclasts, endothelial cells and epithelial cells (various)
Positive staining - Tumors
  • Keratoacanthoma (more in fully developed lesions with inflammatory infiltrate), cutaneous squamous cell carcinoma (focal if well-differentiated, intense if poorly differentiated, Mod Pathol 2003;16:8)
Negative Staining
  • Intravascular B cell lymphoma