Arachnoid cysts causing proptosis

Case contributed by A.Prof Frank Gaillard

Presentation

Proptosis

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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Case information

rID: 4582
Case created: 18th Sep 2008
Last edited: 22nd Mar 2018
Inclusion in quiz mode: Included

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