Presentation
Headache.
Patient Data
Age: 20 years
Gender: Female
From the case:
Arachnoid cyst
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Bilateral extra-axial middle cranial fossa cysts, larger at the right side, extending to the Sylvian fissure on the right side. They follow CSF in all MRI sequences with free diffusion.
Case Discussion
Typical features of bilateral middle cranial fossa arachnoid cysts.