Plasma cortisol cut-off concentrations using the dexamethasone suppression test in patients with adrenal incidentalomas
Purpose Assessment of cortisol secretion in patients with adrenal incidentalomas remains challenging. We evaluated the guideline-recommended cortisol cut-off value for cortisol suppression (50 nmol/L) following a 1 mg overnight dexamethasone suppression test (DST) against a control-derived threshold and compared patien...