S-100 was randomly positive in myoepithelial cells, but most of the lesion was negative. Two cases contained foci of atypical ductal hyperplasia, which showed atypical ductal epithelial ...

Microscopically ducts that retain the native myoepithelial cell layer exhibit partial to circumferential intraductal proliferations that mimic patterns of atypical ductal hyperplasia to carcinoma ...

(a) Fibroadenoma shows three-dimensional clusters of ductal epithelial cells ... myoepithelial cells (×40). (c) Reparative changes in a case of fat necrosis. The presence of cellular atypia ...

(a) Fibroadenoma shows three-dimensional clusters of ductal epithelial cells ... myoepithelial cells (×40). (c) Reparative changes in a case of fat necrosis. The presence of cellular atypia ...

The neoplastic cells are atypical and pleomorphic (Panel C ... and expression of genes usually found in the basal or myoepithelial cells of the human breast. BRCA1-related breast cancer A breast ...

These cavities fill with milk-creating cells called cuboidal cells, which are surrounded by the myoepithelial cells. When the alveoli combine they are called lobules. In the anatomy of the nipple ...