Adrenal+Hyperfunction+Summary+of+Biochemical+Tests

Cushing’s disease. Adrenal tumor. Ectopic ACTH secreting tumor. S. cortisol.  Dexamethasone Low dose test. Not suppressed. Urinary cortisol. Diurnal rhythm. Lost. Insulin-induced hypoglycemia. No response. Plasma [ACTH] Normal or  Not detectable.    Dexamethasone High dose test. suppressed. CRH test.

Done