Likely benign: Arachnoid cysts are congenital lesions and if you have made it into adulthood, it is unlikely to need any intervention . If surgery is recommended, make sure to find out why as unless there are progressive neurological deficits directly attributable to the cyst, surgery is not indicated.
Answered 1/18/2018
6.1k views
Surg RARELY Needed: Arachnoid cysts are generally congenital (you are born with them) and rarely need surgery . Only when they are enlarging or putting pressure on the brain or brain stem do they require surgical intervention.
Answered 5/1/2017
6.1k views
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