Tumours of the minor (oropharyngeal) salivary glands: a demographic study of 336 cases

Abstract
There arc 2410 primary epithelial salivary gland tumours in the files of the British Salivary Gland Tumour Panel. Of these tumours, 336 (14%) involved the minor (oropharyngeal) salivary glands, and these were studied m the present investigation Individual tumours were diagnosed according to the W H O Classification The percentage of malignant or potentially malignant tumours (46%) was much higher than in major glands (18%), and in some of the less common intraoral sites all the tumours were malignant. The principal sites were the palate (54%), lips (21%) and buccal mucosa (11%), and, in these sites, pleomorphic adenoma was the most common tumour Monomorphic adenomas accounted for 6% of palatal tumours, hut 30% of lip salivary gland tumours. The most common malignant tumour was the adenoid cystic carcinoma The results arc compared with several other large surveys and with tumours of major salivary glands.

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