pituitary gland disease hypopituitarism 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. COHD:4254542 DOID:9406 EFO:0001380 GARD:0002917 ICD10:E23.0 MESH:D007018 MONDO:0005152 NCIT:C62591 SCTID:74728003 UMLS:C0020635 https://rarediseases.info.nih.gov/diseases/2917/hypopituitarism pituitary hormone deficiency pituitary hypofunction pituitary insufficiency