Parotid gland enlargement

Overview
Parotid gland enlargement can be:
 * Painful
 * Painless
 * Unilateral
 * Bilateral
 * Localized
 * Diffuse

Differential Diagnosis
In alphabetical order.

Painless

 * Acquired cysts
 * Benign Salivary Gland Tumors
 * Cystadenolymphomas
 * Dysgenetic cysts
 * Malignant Salivary Gland Tumors

Painful

 * Acute parotitis
 * Chronic relapsing parotitis
 * Sialolithiasis of the parotid gland