A cortisol supression test with low dose dexamethasone (LDDST) with a result of 16.6 μg/dL and ACTH plasma levels were measured at 32.6 pg/mL. The high dose dexamethasone test suppression ...

ACTH insensitivity is a cardinal feature of ALD, but the mechanism is unknown. We studied a 10 year old hyperpigmented boy with glucocorticoid insufficiency of 8 years duration and a history of ...