Subependymal grey matter heterotopia

Case contributed by Abdallah Al Khateeb
Diagnosis certain


Refractory seizure disorder despite previous trials of multiple different medications.

Patient Data

Age: 17 years
Gender: Female

Bilateral, nearly symmetrical nodules, subependymal in location, at both lateral ventricles that follow grey matter intensity on all sequences.

Case Discussion

The case shows subependymal grey matter heterotopia, which is the most common form of grey matter heterotopia.

Also, as in the case, the typical presentation of a seizure disorder in the second decade of life is presented.

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.