Hypopituitarism

**Semantic type:** Disease or Syndrome

**Definition:** A condition of diminution or cessation of secretion of one or more hormones from the anterior pituitary gland. This may result from surgical or radiation ablation, non-secretory pituitary neoplasms, metastatic tumors, infarction, pituitary apoplexy, infiltrative or granulomatous processes, and other conditions.

**Synonyms:** - Pituitary Insufficiency