dexamethasone suppression test high-dose

dexamethasone suppression test high-dose
(for Cushing syndrome) urinary levels of cortisol and 17-hydroxycorticosteroid are measured following administration of dexamethasone at 16 times the level used in replacement therapy; cortisol secretion is suppressed in patients with Cushing syndrome but not in those with ectopic ACTH syndrome or adrenal tumors.

Medical dictionary. 2011.

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