Patients with gonadotroph or nonfunctioning pituitary macroadenomas*: Evaluation of pituitary-adrenal function after pituitary surgery

TSS: transsphenoidal surgery; ITT: insulin tolerance test (insulin-induced hypoglycemia test); ACTH: corticotropin.
* Pituitary macroadenoma is defined as pituitary mass >1 cm.
¶ Hydrocortisone is typically given as a divided dose, 2 to 3 times per day, and occasionally as a single morning dose.