Presentation
Headache.
Patient Data
Age: 10 years
Gender: Male
From the case:
Arachnoid cyst - middle cranial fossa
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Axial T2
Extra-axial mass with that follows CSF signal on all sequences. Mild mass effect at right middle cranial fossa is seen. There is no restricted diffusion, no solid component, and no enhancement.
Features are characteristic of an arachnoid cyst.
Case Discussion
Typical features of a right middle cranial fossa arachnoid cyst.
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