<prompt> Perineural invasion is seen in:Mucoepidermoid carcinomaAcinic cell carcinomaAdenoid cystic carcinomaPleomorphic adenocarcinoma  <response>: Ans. c Adenoid cystic carcinomaRef Bailey 26e p723 MC type of Adenoid Cystic Carcinoma - Cribriform Pattern which is characterized by Swiss Cheese Appearance.Other name is Cylindroma MC type of Minor Salivary gland tumor - Adenoid Cystic Most common site - hard palate May invade the nerves Most common - Facial nerve May invade the Haversian System of Bones MC site of Metastasis is to LUNGS usually multiple metastasis 