Immunocytochemical identification of cell types in pleomorphic adenoma, with particular reference to myoepithelial cells
- 1 July 1985
- journal article
- research article
- Published by Wiley in The Journal of Pathology
- Vol. 146 (3), 213-220
- https://doi.org/10.1002/path.1711460308
Abstract
An immunocytochemical study was carried out on normal salivary gland tissue and ten salivary gland pleomorphic adenomas. Antibodies to myosin were used to stain myoepithelial cells. Duct cells were stained using an antibody to total keratin and a subpopulation of basal duct cells with an antibody to 45/46K keratins. Basement membranes were stained with anti-type IV collagen. The results demonstrated that myoepithelial cells are relatively rare in the majority of pleomorphic adenomas and that many of the cells which have been classically described as myoepithelial in routine histological preparations do not clearly show this type of differentiation. However, the tumours presented a spectrum of differentiation patterns from those that were mainly ductal to the rare tumour which was largely myoepithelial. It is further suggested that the 45/46K keratin antibody is capable of identifying a subpopulation of cells which could possibly be important in the histogenesis of this tumour.Keywords
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