Salivary gland tumor

Overview
Tumors of the salivary glands (salivary gland neoplasm) may occur. These are usually benign, but may be malignant.

The most common type of benign tumor is pleomorphic adenoma, followed by Warthin's tumor.

The most common malignant tumor is mucoepidermoid carcinoma.

Eighty percent begin in the parotid gland.

Differential Diagnosis
In alphabetical order.

Benign

 * Lymphoepithelial lesion
 * Monomorphic adenoma
 * Pleomorphic adenoma
 * Sebaceous tumor

Malignant

 * Adenocarcinoma
 * Adenoid cystic carcinoma
 * Malignant mixed tumor
 * Mucoepidermoid carcinoma
 * Squamous Cell Carcinoma

Pathological Findings
Images courtesy of Professor Peter Anderson DVM PhD and published with permission © PEIR, University of Alabama at Birmingham, Department of Pathology