Myoepithelial cells in lobular carcinoma in situ of the breast: a parallel immunocytochemical and ultrastructural study.


The distribution and morphology of myoepithelial cells in one case of normal breast and in 4 cases of lobular carcinoma in situ (LCIS) were studed by immunoperoxidase and immunofluorescence with anti-actin antisera and by electron microscopy. The actin-rich cells appeared to lay flattened on the basement membrane, or perpendicular to it, or appeared… (More)


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