Treatment/Management
Most arachnoid cysts are asymptomatic and do not require treatment. Treatment may be necessary when symptomatic. A variety of procedures may be used to decompress (remove pressure from) the cyst.
- Surgical placement of a cerebral shunt:
- An internal shunt drains into the subdural compartment.
- A cystoperitoneal shunt drains to the peritoneal cavity.
- Fenestration:
- Craniotomy with excision
- Various endoscopic techniques are proving effective, including laser-assisted techniques.
- Drainage by needle aspiration or burr hole.
- Capsular resection
- Pharmacological treatments may address specific symptoms such as seizures or pain.
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