Fig. 4From: Epithelial-myoepithelial carcinoma arising from the subglottis: a case report and review of the literatureIn immunohistochemical analysis, the neoplastic myoepithelial cells (cells of the outer layer) show reactivity for smooth muscle actin (a) and p63 (b), and the outer myoepithelial cell show weak positivity and inner epithelial cells show strong positivity for low molecular weight cytokeratin (c) (×400)Back to article page