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Intracranial arachnoidal cysts.

L Basauri1, J M Selman

  • 1Neurosurgical Unit, Clinica Las Condes, Santiago, Chile.

Child'S Nervous System : Chns : Official Journal of the International Society for Pediatric Neurosurgery
|March 1, 1992
PubMed
Summary
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Cysto-peritoneal (CP) drainage offers excellent results for intracranial arachnoidal cysts, with most patients showing cyst disappearance or reduction after surgery. This treatment had no reported infections or deaths.

Area of Science:

  • Neurosurgery
  • Radiology
  • Pediatric Neurology

Background:

  • Intracranial arachnoidal cysts are a significant neurosurgical concern.
  • Accurate diagnosis and effective treatment are crucial for patient outcomes.

Purpose of the Study:

  • To analyze the diagnostic methods and surgical outcomes for intracranial arachnoidal cysts.
  • To evaluate the efficacy of cysto-peritoneal (CP) drainage as a primary surgical intervention.

Main Methods:

  • Retrospective analysis of 28 intracranial arachnoidal cyst cases diagnosed between 1978-1990.
  • Diagnostic imaging included computed tomography (CT), magnetic resonance imaging (MRI), and ultrasonography (US).
  • Surgical interventions comprised craniotomy with fenestrations, various shunts, and cysto-peritoneal (CP) drainage.

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Main Results:

  • The most common cyst location was the middle cranial fossa (17 cases).
  • Twenty-three patients underwent surgical treatment, with CP drainage in 15 cases yielding excellent results.
  • Post-operative imaging showed cyst disappearance in 13/22 cases and marked reduction in 7/22 cases.
  • No infections or deaths were reported.

Conclusions:

  • Cysto-peritoneal (CP) drainage is a highly effective and safe surgical treatment for intracranial arachnoidal cysts.
  • Surgical intervention, particularly CP drainage, leads to significant cyst resolution and positive patient outcomes.
  • Advanced imaging techniques like CT and MRI are vital for diagnosis and follow-up.