In what clinical scenarios should we use the 2-day 2mg DST instead of the 1mg overnight DST for screening of Cushing syndrome?
1 Answers
Mednet Member
Endocrinology · Johns Hopkins Department Of Endocrinology Diabetes And Metabolism
The 2-day low-dose DST may be of some value in patients suspected to have nonneoplastic hypercortisolism (normal cortisol <1.4-1.8 ug/dL). The Dex/CRH test performs better in such patients, but the CRH is not available.