Ix:
Screening:24hr Urinary Free Cortisol Concentration, 1mg Dexmethasone Suppression Test, Midnight salivary Cortisol
Localizing Tests: ACTH, High Dose DST ( ACTH should fall if Pit disease, ectopic wont respond), Inferior Pertosal Sinus sampling ( confrim pit. origin.
MRI: Brain & Adrenal
Tx
Curative Trans-spehoidal surgery for Pituiraty Adenoma
Pit. Radiation
Somarostatin Analogs
Adrenal Steriod Inhibitrs (metryapone, ketoconazole)
Bilateral adrenalectomy