Presentation
Incidental finding on imaging.
Patient Data
Age: 10 years
Gender: Male
From the case:
Arachnoid cyst - middle cranial fossa
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Left extra-axial middle cranial fossa cyst which expands the middle cranial fossa and displaces the temporal lobe posteriorly.
There is no restricted diffusion, no solid component, and no enhancement.
Case Discussion
Features are characteristic of an arachnoid cyst.