Ectopic ACTH Secretion Syndrome

**Semantic type:** Disease or Syndrome

**Definition:** A syndrome characterized by abnormal secretion of adrenocorticotrophic hormone in conjunction with neoplastic growth occurring anywhere in the body. The most common associations are tumors of the bronchus (oat cell or carcinoid), thymic tumors (epithelial or carcinoid), and pancreatic endocrine tumor. (DeVita et al. Cancer, p 1364. 4th edition. Lippincott)

**Synonyms:** - Ectopic ACTH Secretion - Ectopic ACTH Syndrome - Ectopic ACTH Syndrome