Low dose (1 microg) ACTH test in the evaluation of adrenal dysfunction in pre-clinical Addison's disease.


OBJECTIVE The presence of 21-hydroxylase autoantibodies (21OHAb) is a marker of adrenal autoimmunity and can be used to identify subjects with pre-clinical Addison's disease. The low-dose (1 microg) ACTH test (LDT) is more sensitive than the high-dose (250 microg) test (HDT) for the diagnosis of pituitary adrenal insufficiency, but no information is… (More)


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