Perineural invasion is seen in:

Ans. (c) Adenoid cystic carcinomaRef Bailey 26/e 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)