Salivary gland tumours arising from parotid glandaffect 1 : 100,000 people world-wide, representing2 - 3% of tumours of the head and neck and 1% to1.5% of all neoplastic tumours. However only 12%of parotid tumours are located in the deep lobe (1, 2).Oncocytoma (oxyphilic adenoma) is a rare benigntumour that arise mainly in salivary glands (0.4%to 1% of parotid tumours), thyroid, parathyroid,esophagus, respiratory tract, liver, stomach, kidneysand adrenal glands mainly in sixth decade withfemale predominance (1). WHO classifies oncocyticneoplasms mainly into three categories:oncocytoma, the commonest, oncocytosis and focaladenomatous oncocytic hyperplasia (3). Since mostparotid oncocytomas are benign, parotidectomy withpreservation of facial nerve is the preferred surgicaltreatment (4).
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