Presentation
Proptosis
Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
From the case:
Arachnoid cyst causing proptosis
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Large middle cranial fossa arachnoid cyst expanding the bone and deforming the posterolateral wall of the orbit resulting in proptosis. The arachnoid cyst extends inferiorly into the pterygoid process (open arrow).
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