Hypopituitarism

**Definition:** Diminution or cessation of secretion of one or more hormones from the anterior pituitary gland (including LH; FOLLICLE STIMULATING HORMONE; SOMATOTROPIN; and CORTICOTROPIN). This may result from surgical or radiation ablation, non-secretory PITUITARY NEOPLASMS, metastatic tumors, infarction, PITUITARY APOPLEXY, infiltrative or granulomatous processes, and other conditions.

**Tree numbers:** - C10.228.140.617.738.300 - C19.700.482

**Synonyms:** - Adenohypophyseal Hyposecretion - Anterior Pituitary Hyposecretion Syndrome - Hyposecretion Syndrome, Anterior Pituitary - Hyposecretion, Adenohypophyseal - Pituitary Insufficiency