Presentation
Incidental finding
Patient Data
Age: 85 years
Gender: Female
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CT demonstrating a region of CSF intensity which expands the right middle cranial fossa and displaces the temporal lobe posteriorly.
Case Discussion
Arachnoid cysts are relatively common benign lesions occurring in association with the central nervous system, both within the intracranial compartment (most common) as well as within the spinal canal. They are usually located within the subarachnoid space and contain CSF.
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