Arachnoid cyst natural history, complications and prognosis

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: José Eduardo Riceto Loyola Junior, M.D.[2]

Overview

Prognosis of arachnoid cyst is generally excellent and is usually associated with a benign disease course, despite being symptomatic in a few patients.

Natural History

Complications

Prognosis

  • The prognosis of arachnoid cyst is often good, and in the majority of cases won't demand treatment.
  • Without treatment, in a few cases the symptoms may worsen over time.
  • Surgical decompression of the arachnoid cyst yielded a reduction in 66% of the patients of less than 50% of the preoperative volume. 82% were asymptomatic after the procedure, while 12% reported no relief and 6% experienced worsening of the symptoms. [2]

References

  1. 1.0 1.1 Al-Holou, Wajd N., et al. "Prevalence and natural history of arachnoid cysts in adults." Journal of Neurosurgery 118.2 (2013): 222-231.
  2. Helland, Christian A., and Knut Wester. "A population-based study of intracranial arachnoid cysts: clinical and neuroimaging outcomes following surgical cyst decompression in children." Journal of Neurosurgery: Pediatrics 105.5 (2006): 385-390.