Aqueductal stenosis

Case contributed by Dr Ammar Haouimi

Presentation

Severe headaches and vomiting.

Patient Data

Age: 12 years
Gender: Female
mri

Marked dilatation of the 3rd and lateral ventricles with periventricular transependymal edema. Normal size and configuration of the 4th ventricle.

The sagittal FIESTA sequence shows aqueduct stenosis.

Case Discussion

MRI features of aqueductal stenosis (web or diaphragm) with obstructive hydrocephalus.

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