Persistent trigeminal artery

Case contributed by Jeremy Jones
Diagnosis almost certain

Presentation

Post-premature neonate. Downbeat nystagmus. Facial hemangioma.

Patient Data

Age: 4 months
Gender: Female
mri
This study is a stack
Axial
T1
This study is a stack
Sagittal
T2
This study is a stack
Coronal
T2
This study is a stack
Axial
T2
Download
Info

Prominence of extra-axial subarachnoid spaces with dependancy of brain parenchyma. Minimal herniation of posterior fossa gyri over the anterior tentorium.

Incidental persistent trigeminal artery, a remnant of fetal circulation.

Case Discussion

This premature neonate has not specific abnormality to account for nystagmus. However, there is a persistent trigeminal artery, a remnant of fetal circulation and generalized prominence of subarachnoid spaces.

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.