Endocrine Abstracts

Introduction: Guidelines recommend using first-line tests, including 24-hour urine-free cortisol (UFC), overnight 1-mg dexamethasone suppression test (DST), and late-night salivary cortisol (LNSC) for the positive diagnosis of hypercortisolism. Unfortunately, LNSC access is constrained in certain institutions, requiring, as an alternative, hospitalization for midnight plasmatic cortisol (F00h) measurement. This study explores the diagnostic potential of afternoon plasma cortis...