Salivary duct carcinoma

This tumour is rare in minor salivary glands. A recent review documented 20 cases {1147} and a further 6 cases have been reported {1559,2673}. The most common location was the palate (65%). Other sites included the buccal mucosa and vestibule (19%), tongue (8%), retromolar pad (4%) and upper lip (4%). The age range was 23-80 years (mean 56 years). Some tumours formed painless swellings but many in the palate were painful and ulcerated or fungated. There were metastases to regional lymph nodes in 25% of cases and this was associated with a poor prognosis. The range of microscopical appearances was similar to that seen in the major glands.

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