Parotid Gland Adenoid Cystic Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** An aggressive carcinoma that arises from the parotid gland. It is characterized by the presence of malignant epithelial and myoepithelial cells forming cribriform, tubular, and solid patterns. It usually presents as a slow growing mass. Patients develop pain because of the tendency of these carcinomas to invade perineural tissues.

**Synonyms:** - Adenoid Cystic Carcinoma of Parotid - Adenoid Cystic Carcinoma of Parotid Gland - Adenoid Cystic Carcinoma of the Parotid - Adenoid Cystic Carcinoma of the Parotid Gland - Parotid Adenoid Cystic Carcinoma