A dexamethasone suppression test is primarily used to help diagnose Cushing syndrome. Cushing syndrome indicates that you have an abnormally high level of cortisol. Cortisol is a steroid hormone ...

So doctors typically do more than one test to make sure you have it. One of those tests has a mouthful of a name -- it’s an “overnight dexamethasone suppression test.” It can help you learn ...

the guideline algorithm recommends two of three positive tests — 24-hour free urine cortisol, late midnight salivary cortisol level and 1 mg dexamethasone suppression test, or DST — for ...

ONE of the most widely employed tests in clinical endocrinology is the dexamethasone suppression test. The applications of this test fall into two broad classes. First of all, it helps distinguish ...

For the 1-mg dexamethasone suppression test, researchers found a cutoff of 138 nmol/L revealed the best specificity (97%), whereas the 50 nmol/L cutoff confirmed the best sensitivity (100%).

There is no single gold-standard test to diagnose Cushing's syndrome. Current standard practice relies on the low-dose dexamethasone suppression test (LDDST). It has been proposed, however ...