Abstract
Salivary gland tumors comprise a heterogeneous group of lesions, with different histological characteristics and diverse clinical behavior. These tumors are classified as benign and malignant and correspond to about 3% of head and neck tumors. Mucoepidermoid carcinoma (MEC) is the most common salivary gland malignant tumor. The histological grade (low, intermediate and high) and the anato…