title: Nelson's syndrome. Chickens, eggs, and sellar explosions.
mesh_terms: D000315:Adrenalectomy / Q000009:adverse effects; D006801:Humans; D009347:Nelson Syndrome / Q000209:etiology / Q000473:pathology; D010911:Pituitary Neoplasms / Q000209:etiology; D012658:Sella Turcica / Q000473:pathology