Fig. 1. (A) Plasma adrenocorticotropic hormone (ACTH) and (B) serum dehydroepiandrosterone sulfate (DHEA-S) levels. Percentage suppression of (C) serum cortisol and (D) urine free cortisol (UFC) after high-dose dexamethasone suppression test in patients with Cushing disease (CD) and adrenal Cushing syndrome (CS).