The empty sella syndrome (ESS) presents a varied clinical and radiographic picture. It may remain asymptomatic or may stimulate an intrasellar growth thereby causing diagnostic and therapeutic problems. An air encephalogram (AEG) is required for diagnosis. The purpose of this paper is to review the clinical and radiological features of the ESS and to discuss the pathogenetic mechanisms involved.
Summary
Pituitary apoplexy or spontaneous pituitary necrosis is an ill-understood clinical syndrome. It may occur as a neurological emergency requiring urgent interference in a patient with a known pituitary dysfunction or it may be responsible for drawing attention to an as yet unrecognized pituitary pathology. It has a bizarre clinical profile and an unpredictable neurological and endocrine course. Patients may die at once or may recover with or without endocrine/neurological deficit. Six cases of pituitary apoplexy with varied clinical presentation are cited.
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