MRI in aqueduct compression and obstructive hydrocephalus due to an ectatic basilar artery |
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| Authors: | G. Branco A. Goulão J. M. Ferro |
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| Affiliation: | (1) Neuroradiology Section, Caselas M.R. Unit, R. Carolina Angelo, 1400 Lisboa, Portugal;(2) Department of Neurology, Hospital St Maria, Lisbon, Portugal |
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| Abstract: | ![]()
We describe a patient with an ectatic basilar artery in whom MRI showed marked indentation of the floor of the third ventricle and backward displacement of the midbrain, probably causing aqueduct stenosis. It appeared likely that the associated hydrocephalus was due not only to any  water-hammer effect, but also to occlusion of the aqueduct. |
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| Keywords: | Ectasia Basilar artery Obstructive hydrocephalus Aqueduct compression |
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