Thrombosed aneurysm of the posterior inferior cerebellar artery

Case contributed by Roberto Schubert


Occiptal headaches, neck stiffness.

Patient Data

Age: 55 years
Gender: Female

Aneurysm of right posterior inferior cerebellar artery with hyperdense content and wall calcifications with no enhancement in post-contrast phase, suspicious for thrombosis.

Aneurysm of right PICA region with hyperintense signal on T1, low peripheral signal and central hyperintense signal on T2 and no postcontrast enhancement suggestive of thrombosis. It is compressing the right side of medulla oblongata.

Dolichoectasia of basilar artery. 

Case Discussion

Aneurysm in the right PICA region with calcified walls and hyperdense thrombotic inclusions without contrast enhancement, and loss of flow void on MRI.

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.