Abstract:Summary
The anatomy of the pituitary fossa is complex. The wall of the fossa can vary, resulting in inconsistencies in the nature and integrity of the sella barrier. Cerebrospinal fluid is generally confined to the subarachnoid space and does not circulate freely in the pituitary fossa. Spontaneous haemorrhage in the fossa typically occurs in the context of pre-existing intrasellar pathology such as a pituitary adenoma. Extravasation of blood into the subarachnoid space can rarely be observed following pituita… Show more
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