Intradural extramedullary metastasis of oncocytic carcinoma of the parotid gland: A first case report and review of the literature.

Abstract

We present an extremely infrequent case of intradural metastasis of a parotid tumour, responsible for motor deficit in legs. To our knowledge, this is the first reported case of an intradural metastasis of a malignant and rare parotid tumour, oncocytic carcinoma. It accounts for less than 1% of salivary gland tumours. Its management is not codified and its prognosis seems to be poor. Local recurrences are common, as are regional metastases. Distant metastases are present in less than 30% of cases and are poorly described, mainly involving the lung. Thanks to the surgical treatment, our patient has partially recovered his motor and sensory functions.