Cerebellopontine angle arachnoid cyst
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Diagnosis almost certain
Presentation
Workup for headache.
Patient Data
Age: 65 years
Gender: Male
From the case:
Cerebellopontine angle arachnoid cyst
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A 30×9 mm fluid density well-defined extra-axial area is present at the left cerebellopontine angle.
Case Discussion
Features are most consistent with cerebellopontine angle arachnoid cyst.
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