Previously, many antibodies i.e., S100, SMA, CD117, bcl 2 and c-myb etc. have been studied for distinction of adenoid cystic carcinoma from polymorphous adenocarcinoma (Epivantianos et al., 2007; Vargas et al., 1997; Prasad et al, 2008). This evidence concerns the gene SMN1 and adenoid cystic carcinoma.