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Headache and vertigo
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Intrasellar extension of the subarachnoid space into the cavity of the sella turca, i.e. an empty sella.
An empty sella is frequently and incidentally observed in MRI scans. The hallmark of the finding is, as the name suggests, a pituitary fossa which is largely empty of tissue, replaced by CSF.
Most patients with empty sella are entirely asymptomatic and endocrinologically normal; however, some patients could have complaints of dizziness, vertigo, headache and visual alterations, and also could have some pituitary hormonal disorders.
- 1. Haughton VM, Rosenbaum AE, Williams AL et-al. Recognizing the empty sella by CT: the infundibulum sign. AJR Am J Roentgenol. 1981;136 (2): 293-5. doi:10.2214/ajr.136.2.293 - Pubmed citation
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