Adrenal incidentalomas: 1 mg dexamethasone test result in the context of cardiometabolic risk.
PURPOSE Mild autonomous cortisol secretion (MACS) is the most common hormonal abnormality in adrenal incidentalomas. The 1 mg dexamethasone suppression test (DST) with a cutoff of 1.8 µg/dL is used to exclude hypercortisolism, yet some "non-functioning" tumors may secrete cortisol at concentrations below this threshold...