Aqueduct stenosis - web

Case contributed by A.Prof Frank Gaillard

Presentation

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Patient Data

Age: 50 years
Gender: Male
CT

The lateral and third ventricles are enlarged without convincing transependymal edema to suggest that there is an acute component. The fourth ventricle appears normal in size. 

MRI

Lateral and third ventricles are enlarged without convincing transependymal edema to suggest that there is an acute component. The fourth ventricle is normal in size as are the basal cisterns. In view lower third of the aqueduct and a thin-wall when is present and no CSF flow is demonstrated in the aqueduct on CSF flow studies. The remainder of the brain is unremarkable in appearance.

Features are those of aqueduct stenosis due to a web. 

Case Discussion

Aqueduct stenosis due to a web is relatively frequent and often found incidentally. 

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Case information

rID: 59840
Published: 17th May 2018
Last edited: 16th Jul 2018
Inclusion in quiz mode: Included

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