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Updated: Aug 1, 2025

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Arachnoid Cyst: A Sudden Deterioration.

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  • 1Emergency Medicine, Hamad Medical Corporation, Doha, QAT.

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Summary
This summary is machine-generated.

Arachnoid cysts, though rare, can cause sudden seizures. Endoscopic fenestration surgery effectively resolved seizures in a young patient, offering a successful treatment option for symptomatic cysts.

Keywords:
arachnoid cystarachnoid cyst fenestrationneuro-critical careneuro-imagingstatus epilepticus

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Area of Science:

  • Neurology
  • Neurosurgery
  • Radiology

Background:

  • Arachnoid cysts are uncommon intracranial lesions, often asymptomatic and diagnosed via imaging.
  • While typically benign, symptomatic arachnoid cysts can manifest with neurological deficits.

Observation:

  • A previously healthy 25-year-old male presented with recurrent, severe seizures unresponsive to medication.
  • Computed tomography (CT) revealed a large arachnoid cyst causing a significant midline shift.

Findings:

  • Surgical intervention via endoscopic fenestration was performed.
  • The patient experienced complete seizure resolution and remained symptom-free for one year post-surgery.

Implications:

  • This case highlights the potential for sudden, severe neurological symptoms from arachnoid cysts.
  • Endoscopic fenestration is an effective treatment for symptomatic arachnoid cysts, leading to long-term recovery.