Should we be "washing-out" for adrenal incidentalomas?

A 55-year-old woman with history of hypertension, melanoma, and urolithiasis is found to have a left adrenal mass on a non-contrast computed tomography (CT) scan evaluation obtained to assess renal colic.

The mass measures 2.5 cm in diameter and demonstrates an attenuation of 30 Hounsfield units (HU). A metabolic work-up rules out hypercortisolemia and hyperaldosteronemia. Plasma free metanephrines are within ...