label: Submandibular Gland Adenoid Cystic Carcinoma
label_lc: submandibular gland adenoid cystic carcinoma
description: "An aggressive carcinoma that arises from the submandibular 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."