i ) it shows the same suppressibility as the overnight test , ii ) it obviates the need for bothersome midnight administration of dexamethasone , iii ) because it takes only one morning to perform , it can save a day , iv ) and it might be applicable for the differential diagnosis of cushing 's syndrome because 4.0 mg morning test resulted in complete suppression of plasma cortisol in a tested cushing 's syndrome , whereas with even 8.0 mg , plasma cortisol was not suppressed in the overnight test in 2 such patients examined .
C0011777
dexamethasone
C0010481
cushing 's syndrome