Abstract
Sir, Warthin tumour (WT) of the parotid gland is by definition clinically benign, although on rare occasions it can give rise to malignant tumours, which originate from both the epithelial and lymphoid component. Among epithelial malignancies, mucoepidermoid carcinoma (MEC) [5] has been described in WT. This association is in keeping with the evidence that MEC is a “mitochondrion-rich” tumour, showing features of differentiation towards striated ducts [3]. Pure oncocytic cell carcinomas are a rarity in salivary glands and are thought to derive from the oncocytic epithelium of striated ducts. The purpose of the present paper is to report a case of oncocytic carcinoma (OC) arising in WT of parotid gland.
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