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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Immunohistochemical localization of keratin in head and neck neoplasms and normal tissues.

Immunohistochemical localization of keratin antigens using keratin antisera and the immunoperoxidase technique have been shown to be helpful in identifying certain epithelial cells. Our study was designed to evaluate the application of this technique to head and neck neoplasms and normal tissues using two keratin antibody preparations. Our data indicate that the keratin antibodies stained normal epithelial structures in the head and neck except for cells with active secretory functions such as mucus, cerumen, or salivary secretion. Neoplasms of the head and neck showed keratin antibody staining for epithelial neoplasms and negative staining for mesenchymal neoplasms. The immunohistologic demonstration of keratin is useful in distinguishing undifferentiated or poorly differentiated epithelial malignancies from sarcomas or lymphomas and demonstrating myo-epithelial cells in salivary neoplasms.[1]


  1. Immunohistochemical localization of keratin in head and neck neoplasms and normal tissues. Shi, S.R., Bhan, A.K., Pilch, B.Z., Chen, L.B., Goodman, M.L. The Journal of otolaryngology. (1985) [Pubmed]
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