Aqueduct stenosis due to a web

Case contributed by Ammar Haouimi
Diagnosis almost certain


Enlarged head size in a child with a history of birth asphyxia.

Patient Data

Age: 2 years
Gender: Male

The MRI sequences demonstrate a dilatation of the 3rd and lateral ventricles with normal size and configuration of the 4th ventricle. There is an aqueduct stenosis (web or diaphragm) seen on the sagittal Fiesta.

Bilateral hyperintense T2, and FLAIR signal intensity of thalami, and posterior periventricular white matter extending the perirolandic cortex (sequelae of neonatal hypoxic-ischemic brain injury).

Case Discussion

Case of aqueductal stenosis in a patient with sequelae of neonatal hypoxic-ischemic brain injury.

Aqueductal stenosis is considered as the most common cause of congenital obstructive hydrocephalus, It can also be seen in adults as an acquired abnormality. 



Additional contributor: R. Bouguelaa, MD

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.