Urology Case Reports · Published 2026-06-08 · DOI 10.1016/j.eucr.2026.103505
Mohamed Mehdi Kamoun, Zied Hadrich, Sahir Omrani, Rached Bayar, Ahlem Lahmar, Dhouha Bacha
Adrenal oncocytic neoplasms (AONs) are rare non-functioning adrenal tumors with difficult preoperative diagnosis. We report a 40-year-old man with an 11 cm adrenal mass, negative hormonal workup, and imaging findings. The patient underwent open adrenalectomy. Histopathology showed oncocytic adenoma with borderline/uncertain malignant potential per Lin–Weiss–Bisceglia criteria (size >10 cm, necrosis). Postoperative course was uneventful, with no recurrence at 18 months. AONs should be considered in large adrenal incidentalomas; complete resection is essential for diagnosis, risk stratification, and follow-up.
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Kamoun, M., Hadrich, Z., Omrani, S., et al. (2026). Oncocytic adrenal adenoma: Diagnostic challenge of an incidentaloma; a case report. Urology Case Reports. https://doi.org/10.1016/j.eucr.2026.103505