Suprasellar arachnoid cysts: an extension of the membrane of Liliequist.


A case of suprasellar arachnoid cyst and hydrocephalus diagnosed by computed tomography (CT) and positive-contrast ventriculography is presented. Transfrontal exploration of the 3rd ventricle revealed findings consistent with the cyst being, in fact, a large forward and upward diverticulum of the arachnoidal membrane of Liliequist. The authors suggest that… (More)


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