Arachnoid cyst - middle cranial fossa

Case contributed by Frank Gaillard

Patient Data

Age: Young adult

A region of CSF intensity which expands the middle cranial fossa and displaces the temporal lobe posteriorly. There is no restricted diffusion, no solid component and no enhancement. Features are characteristic of an arachnoid cyst

Case Discussion

This arachnoid cyst would fall into the type 2 Galassi classification (not that anyone uses it in practice).

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.