Cushing's disease is a serious condition of an excess of the steroid hormone cortisol in the blood level caused by a pituitary tumor secreting adrenocorticotropic hormone (ACTH). ACTH is a hormone produced by the normal pituitary gland.
Cushing's Disease | UCLA Pituitary Tumor Program
http://pituitary.ucla.edu/cushings-disease
Cushing's Disease | UCLA Pituitary Tumor Program
http://pituitary.ucla.edu/cushings-disease