After my blood test, I had many residual questions about ... or in response to a pituitary gland tumor that makes too much ACTH [adrenocorticotropic hormone, which regulates cortisol] and ignores ...
The standard test for differentiating between pituitary ... Of the 36 patients with Cushing's disease, 35 had a sinus:peripheral blood ACTH ratio >2; in all seven patients with ectopic ACTH ...
stimulation test, which is used to diagnose PPID. The research indicated that even minor differences in the timing of blood collection could lead to significant variability in ACTH concentration ...