Stains & CD markers

Last author update: 1 May 2013
Last staff update: 23 May 2024

Copyright: 2002-2024,, Inc.

PubMed Search: Tyrosinase[TI] review[ptyp]

Lauren N. Stuart, M.D., M.B.A.
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Cite this page: Stuart L. Tyrosinase. website. Accessed June 16th, 2024.
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
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