Salivary Duct Carcinoma of Minor Salivary Gland
Salivary duct carcinoma is a rare invasive malignancy arising in the ductal epithelium of the salivary glands. These are uncommon but distinct group of highly malignant salivary gland tumours, usually seen in the major salivary glands, especially the parotid gland. Pathomorphologically, these tumours show great similarities to ductal carcinomas of the female breast, which is why it has been described as "salivary duct carcinoma." Salivary duct carcinomas affecting the minor salivary glands have been reported in only four percent of the salivary duct carcinoma cases and constitute two percent of all the salivary gland malignant neoplasms. Although neoplasms of this type are infrequent in minor salivary glands, they are less aggressive and may lead to early diagnosis before distant metastases could occur. The present article reports a case of salivary duct carcinoma of the palate in a 45-year-old male patient with aggressive clinical and histopathological behaviour.
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