The Unique Case of Adrenocortical Malignant and Functioning Oncocytic Tumour

UNLABELLED Adrenocortical oncocytoma is extremely rarely found. Only a little more than thirty cases of adrenal oncocytoma, mainly nonfunctioning and benign, have been reported in the literature. Adrenal mass 150 x 160 x 172 mm in size and enlarged periarterial lymph nodes were found in CT examination performed in 51-year-old male. Main complaints: weight loss, general asthenia and abdominal pain. PHYSICAL EXAMINATION elevated blood pressure (180/120 mmHg), no features typical of Cushing's syndrome. Abnormal laboratory findings: oral glucose tolerance test revealed diabetes, elevated serum dehydroepiandrosterone-sulfate (1101.9 microg/dl; normal, 59-452), elevated serum cortisol following overnight 1 mg dexamethasone test (5.1 microg/dl; normal