Immunohistochemical localization by monoclonal antibody of human epidermal growth factor in mixed tumours of the skin.
Immunohistochemical distribution of human epidermal growth factor ( hEGF) was described in 17 cases of mixed tumour of the skin with monoclonal antibody. In normal sweat glands, epithelial cells in the secretory portion and in the transitional area between secretory portion and duct showed prominent staining for hEGF. In the salivary pleomorphic adenoma type of mixed tumour of the skin, luminal tumour cells of tubular and duct-like structures gave a very characteristic hEGF staining reaction. The tumour cells showing strong staining for hEGF were scattered throughout the solid foci in this type of mixed tumour. Tubular epithelial cells in the clear cell adenoma type also displayed a positive hEGF reaction. And apocrine mixed tumours strong staining for hEGF occurred on the apical side of tubular and ductal tumour cells. In view of the immunohistochemical staining patterns for hEGF, the histologic origin of mixed tumours of the skin is suggested to be cells in the secretory portion and those in the transitional portion between secretory portion and duct of the sweat gland.[1]References
- Immunohistochemical localization by monoclonal antibody of human epidermal growth factor in mixed tumours of the skin. Noda, Y., Tsukitani, K., Oosumi, H., Kato, K., Hayashi, T., Mori, M. J. Cutan. Pathol. (1987) [Pubmed]
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