Salivary gland tumors

Last revised by Mohamed Saber on 12 Jun 2022

Salivary gland tumors are variable in location, origin, and malignant potential. 


In general, the ratio of benign to malignant tumors is proportional to the gland size; i.e. the parotid gland tends to have benign neoplasms, the submandibular gland 50:50, and the sublingual glands and accessory glands mostly malignant. Due to the size discrepancy, in absolute numbers, the parotid gland has the most tumors.


Overall ~80% of all parotid masses are benign and the majority of these are pleomorphic adenomas.


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