Cushing's disease - Overview
Alternative Names
Pituitary Cushing's disease
Definition of Cushing's disease:
Cushingâ ' s disease is a condition in which the pituitary gland releases too much adrenocorticotropic hormone (ATCH). The pituitary gland is an organ of the endocrine system.
Cushing's disease is a form of Cushing syndrome.
Causes, incidence, and risk factors:
Cushing's disease is caused by a tumor or excess growth ( hyperplasia) of the pituitary gland. This gland is located at the base of the brain.
People with Cushing's disease have too much ACTH. ACTH stimulates the production and release of cortisol, a stress hormone. Too much ACTH means too much cortisol.
Cortisol is normally released during stressful situations. It controls the body's use of carbohydrates, fats, and proteins and also helps reduce the immune system's response to swelling (inflammation).
- Reviewed last on: 3/18/2008
- Elizabeth H. Holt, MD, PhD, Assistant Professor of Medicine, Section of Endocrinology and Metabolism, Yale University. Review provided by VeriMed Healthcare Network. Also reviewed byDavid Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
References
5. Stewart PM. The Adrenal Cortex. In: Kronenberg: Willliams Textbook of Endocrinology. Philadelphia, Pa: Saunders Elsevier; 2008:chap 14.
