CD Markers

Topic Completed: 1 October 2013

Minor changes: 2 October 2020

Copyright: 2003-2021,, Inc.

PubMed Search: UCHL1

Related topics: CD45, CD45RA, CD45RB, CD45RC

Nat Pernick, M.D.
Page views in 2020: 2,580
Page views in 2021 to date: 97
Cite this page: Pernick N. CD45RO. website. Accessed January 15th, 2021.
Definition / general
Uses by pathologists
  • T cell marker for diagnosis and classification of lymphoma
  • Identify T cell subsets (i.e. memory T cells)
Microscopic (histologic) images

Images hosted on other servers:

Multiple myeloma-plasma cell staining

Positive staining - normal
  • Memory and activated T cells, granulocytes, monocytes, macrophages and cortical thymocytes; some B cells
Positive staining - disease
Negative staining
  • B cells (most), NK cells
  • B cell lymphoma (most), carcinoma and autoimmune lymphoproliferative syndrome (Am J Pathol 1998;153:1541)
Back to top
Image 01 Image 02