Fig. 2From: Invasive myoepithelial carcinoma ex pleomorphic adenoma of the major salivary gland: two case reports(a–d) Case 1. Histopathologic features of MEC. a H&E stain. b IHC analysis reveals Ki67 positivity in nuclei. The MIB index was approximately 20 %. c IHC analysis revealed S-100 positivity in the cytoplasm. d IHC analysis revealed p53 positivity in the nucleiBack to article page