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Familial posterior fossa arachnoid cyst
Saurabh Sinha1, Jennifer I M Brown
1Department of Neurosurgery, Institute of Neurosciences, Southern General Hospital, Govan Road, Glasgow, UK. scotslion@yahoo.com
Abstract
Background:
Arachnoid cysts are a relatively common incidental finding on CT scans of the brain. They most commonly occur in the middle cranial fossa, where familial occurrence has rarely been reported. Posterior fossa arachnoid cysts are more unusual.
Case Histories:
We report the presence of quadrigeminal cistern arachnoid cysts in siblings.