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Empty sella syndrome

(Science: radiology) aetiology, idiopathic, most commonly reported in middle-aged obese women (associated with DM, hypertension, normal pituitary function), secondary, pituitary adenoma, surgery or irradiation, communicating hydrocephalus, familial (very rare) x-ray findings: sella normal or increased, intrasellar herniation of subarachnoid space, symptoms: headache, visual disorders, with or without decreased pituitary function, cerebrospinal fluid rhinorrhoea