https://www.selleckchem.com/pr....oducts/FK-506-(Tacro
Overnight high-dose dexamethasone suppression test (ON-HDDST) is a simple test to localize the source of ACTH in patients with ACTH-dependent Cushing's syndrome (CS). However, previous studies have reported its varying accuracy. We studied the utility of ON-HDDST in diagnosing Cushing's disease (CD) in a series of patients with CD and ectopic ACTH syndrome (EAS). We conducted a retrospective study of 88 patients with ACTH-dependent CS (plasma ACTH 20.0 pg/mL), who underwent an ON-HDDST. CD and EAS were diagnosed in 68 a