Evocative/suppression testing refers to a class of tests performed where one substance is measured both before and after the administration of another substance to determine if the levels are stimulated ("evocative") or suppressed.
They are most commonly performed in the evaluation of possible endocrine disorders.
Certain tests are performed in the evaluation of multiple conditions, and not all listed substances may be measured in each test.
|Test name||Substance administered||Substance measured||Condition evaluated|
|combined rapid anterior pituitary evaluation panel||insulin, GnRH, TRH||ACTH and cortisol, FSH, HGH, LH, prolactin, TSH||hypopituitarism|
|TRH stimulation test||TRH||TSH||secondary hypothyroidism|
|ACTH stimulation test||ACTH||cortisol, 17 hydroxyprogesterone||adrenal insufficiency, Congenital adrenal hyperplasia (21 hydroxylase, 3 beta)|
|metyrapone panel||metyrapone||cortisol, 11-deoxycortisol||adrenal insufficiency|
|dexamethasone suppression test||dexamethasone||cortisol||Cushing's syndrome|
|captopril suppression test||captopril||aldosterone||primary aldosteronism|
|captopril challenge test||captopril||renin||renal artery stenosis|
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