Benign Salivary Gland Tumors

Excerpt

Salivary gland neoplasms encompass various histologies and locations, including the parotid, submandibular, sublingual, and minor salivary glands of the upper aerodigestive tract. Most (80%) of these neoplasms are benign but heterogeneous in their ability to recur or transform into malignant lesions. Therefore, correct diagnosis is essential in dictating the proper treatment. The World Health Organization in 2017 recognized 11 different benign epithelial salivary gland tumors. The most common benign subtypes identified include pleomorphic adenoma, Warthin’s tumor, and myoepithelioma, followed by rarer histologies including lymphadenoma (LA), sebaceous adenoma (SA), oncocytoma, cystadenoma, sialadenoma papilliferum, ductal papilloma (intraductal and inverted), canalicular adenoma, and basal cell adenoma.