Immunohistochemical stains performed on the tumor showed CAM 5.2, CD117, p63, SMMH (Fig. 3A–D), p40, CK7, pancytokeratin AE1/AE3, and GATA-3 positive in adenoid cystic carcinoma, but negative in sarcoma component. This evidence concerns the gene KRT7 and adenoid cystic carcinoma.