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Aqueductal web

Case contributed by: Dr Prashant Gupta

Presentation:

enlarging head size since birth, antenatally detected hydrocephalus

Patient Data:

Age: 5
Gender: Male
Race: Indian/Pakistani
Modality: MRI

There is gross triventricular osbtructive hydrocephalus seen with shunt in situ,the 4th ventricle is normal.

A saggital thin section 3d SPGR sequence reveals a web at aqueduct causing obstruction.

Case Discussion:

An aqueductal web is a membrane composed of fibrillary neuroglia. It is important to recognize this entity seperately from aqueductal stenosis as it is  surgically curable.

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