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arachnoid cyst

 

Definition: a fluid-filled cyst lined with arachnoid membrane, frequently situated near the lateral aspect of the lateral sulcus of cerebral hemisphere; usually congenital in origin.

Synonym(s): leptomeningeal cyst

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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