ea0057010 | Comparison of overnight and 48h low dose dexamethasone suppression tests in volunteers using oral contraceptives | BES2018
, Elise Mathieu
, Fleur Wolff
, Bernard Corvilain
, Natacha Driessens
Introduction: Measurements of midnight salivary cortisol, 24-hour urinary free cortisol (UFC) and 1mg overnight Dexamethasone (DXM) suppression test (short DST) represent classical first line screening tests to diagnose Cushing syndrome. In women using combined EstrogenProgestogen contraception, cortisol response during short DST is often decreased, leading to false positive (FP = morning plasma cortisol post-DST > 50 nmol/l).Purpose: The main ...