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Comparison of HMB-45 Monoclonal Antibody and S-100 Protein in the Immunohistochemical Diagnosis of Melanoma

Comparison of HMB-45 Monoclonal Antibody and S-100 Protein in the Immunohistochemical Diagnosis... The value of HMB-45 mouse monoclonal antibody in the immunohistochemical diagnosis of melanoma was compared with that of two antibodies to S-100 protein. Tissue from 32 (91.4%) of the 35 melanomas studied reacted with HMB-45, however, none of the 98 nonmelanoma tumors stained with this antibody. In contrast, 31 (88.5%) melanomas and 24 (24.4%) of the nonmelanoma neoplasms expressed S-100 protein. These results indicated that HMB-45 monoclonal antibody has a higher specificity for melanoma cells than did S-100 protein and that, because of its reactivity in routinely processed tissues, it may be helpful in surgical pathology. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Clinical Pathology Oxford University Press

Comparison of HMB-45 Monoclonal Antibody and S-100 Protein in the Immunohistochemical Diagnosis of Melanoma

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References (31)

Publisher
Oxford University Press
Copyright
© American Society of Clinical Pathologists
ISSN
0002-9173
eISSN
1943-7722
DOI
10.1093/ajcp/90.4.385
Publisher site
See Article on Publisher Site

Abstract

The value of HMB-45 mouse monoclonal antibody in the immunohistochemical diagnosis of melanoma was compared with that of two antibodies to S-100 protein. Tissue from 32 (91.4%) of the 35 melanomas studied reacted with HMB-45, however, none of the 98 nonmelanoma tumors stained with this antibody. In contrast, 31 (88.5%) melanomas and 24 (24.4%) of the nonmelanoma neoplasms expressed S-100 protein. These results indicated that HMB-45 monoclonal antibody has a higher specificity for melanoma cells than did S-100 protein and that, because of its reactivity in routinely processed tissues, it may be helpful in surgical pathology.

Journal

American Journal of Clinical PathologyOxford University Press

Published: Oct 1, 1988

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