Choroidal fissure cyst

Case contributed by Dr Ammar Haouimi



Patient Data

Age: 10 years
Gender: Male

There is a well-defined cystic lesion within the right choroidal fissure of homogeneous CSF signal on all sequences with no calcification seen.

Case Discussion

MRI feature of a choroidal fissure cyst (incidental finding). There are signs confirming extra-axial location as splaying of the right posterior cerebral artery and indentation of the right mesial temporal lobe.

The main differential diagnosis is a solitary enlarged perivascular space (if intra-axial location).

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.