Stains & CD markers

Last author update: 1 May 2013
Last staff update: 17 June 2022

Copyright: 2002-2023,, Inc.

PubMed Search: Tyrosinase[TI] review[ptyp]

Lauren N. Stuart, M.D., M.B.A.
Page views in 2022: 941
Page views in 2023 to date: 961
Cite this page: Stuart L. Tyrosinase. website. Accessed November 29th, 2023.
Definition / general
  • Also called T311 (for immunohistochemistry)
  • Melanocyte specific antigen important in melanin synthesis and melanosome formation
  • Interpretation: cytoplasmic staining
Uses by pathologists
  • Identification of melanocytic neoplasms
Microscopic (histologic) images

Images hosted on other servers:

Normal skin prominent
melanoma +
homogenous tumor cells


Positive staining - normal
Positive staining - disease
Negative staining
Back to top
Image 01 Image 02