Cushing’s syndrome is characterized by chronic overproduction of cortisol by the adrenal glands. The most frequent cause of Cushing’s syndrome is a benign pituitary tumor (adenoma) that produces adrenocorticotropic hormone (ACTH), which, in turn, stimulates the adrenal glands. Other causes are tumors elsewhere in the body that produce ACTH and adrenal tumors that produce cortisol.… Continue Reading