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Magnetic Resonance Imaging of the Cerebral Aqueduct

Overview
Journal Neuroradiology
Specialties Neurology
Radiology
Date 1987 Jan 1
PMID 3683831
Citations 4
Authors
S S Kemp
R A Zimmerman
L T Bilaniuk
D B Hackney
H I GOLDBERG
R I Grossman
Affiliations
Soon will be listed here.
Abstract

1.5 Tesla MRI examinations were evaluated for aqueductal configuration, hydrocephalus and flow-related signal void in 70 patients with juxtaaqueductal pathology and in 20 normal controls. In the 70 cases with pathology, the aqueduct was obliterated or distorted in 34, dilated in 3, normal in 29 and not evaluable in 4. A definite flow-related signal void indicated CSF movement within the aqueduct in all normal examinations. Flow-related signal void was absent in some, but not all, patients with aqueductal obliteration and distortion. CSF turbulence can create an intra-aqueductal signal void in the dilated proximal aqueduct, despite more distal obstruction. Thus hydrocephalus related to aqueductal obstruction is frequently, but not always, associated with absence of signal void.

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Hydrocephalus in aqueductal stenosis.

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Information value of magnetic resonance imaging in shunted hydrocephalus.

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Cine magnetic resonance imaging of aqueductal stenosis.

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