title: Cushing's syndrome.
abstract: Cushing's syndrome (CS) results from prolonged exposure to elevated endogenous cortisol. Majority of cases are caused by ACTH, pituitary, or ectopic origin. Primary adrenal hypersecretion is 15-20% caused by adenomas, carcinomas (ACC), and rarely by nodular adrenocortical disease. CS presents with all typical features. Commonly recommended initial testing are urinary free cortisol, late-night salivary cortisol, and 1-mg overnight dexamethasone suppression test (DST). Imaging is the key to diagnosis. CS continues to pose diagnostic and therapeutic challenges; life-long follow-up is mandatory.
authors: Endocrinology and Metabolism Institute, Cleveland Clinic, Cleveland, Ohio 44195, USA. hatipob@ccf.org
authors: Betul A
authors: BA
authors: Hatipoglu
mesh_terms: D000818:Animals; D003480:Cushing Syndrome / Q000175:diagnosis* / Q000628:therapy*; D006801:Humans