In the neoplastic counterpart, SOX10 is observed in a broad group of tumors as acinic cell carcinomas, adenoid cystic carcinomas, epithelial-myoepithelial carcinomas, myoepithelial carcinomas, basal cell adenoma and pleomorphic adenoma [9, 10]. The gene discussed is SOX10; the disease is malignant myoepithelioma.