Open Access

RESIDENT’S CORNER

Oncocytic adrenocortical carcinoma: a rare adrenal tumor subtype

Emma Sumner, Behram Cenk Acar, Matthew R. Acker

Department of Urology, Saint John Regional Hospital, Saint John, New Brunswick, Canada
Address correspondence to Dr. Emma Sumner, Department of Obstetrics and Gynecology, Dalhousie University, 5980 University Avenue, Room G2139, Halifax, NS B3K 6R8 Canada

Canadian Journal of Urology 2017, 24(3), 8865-8867.

Abstract

Oncocytic tumors arising from the adrenal gland are rare. Oncocytic adrenal neoplasms (OAN) may mimic adrenocortical carcinoma (ACC) at presentation, and can only be defnitively diagnosed histologically. Most OANs are benign, and carry a favorable prognosis. We report on an 83-year-old female who, while being investigated for anemia and weight loss, was found to have a 23 cm adrenal mass concerning for ACC. Adrenalectomy and histopathology confrmed a malignant OAN, based on theLin-Weiss-Biscegliacriteria.Wereportonthelargest non-functional, malignant OAN cited in the literature to date. OAN’s, though rare, can be considered in the differential diagnosis of large adrenal tumors.

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