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Pathogenesis and Cerebrospinal Fluid Hydrodynamics of the Chiari I Malformation

Thomas J Buell1, John D Heiss2, Edward H Oldfield1

  • 1Department of Neurological Surgery, University of Virginia Health System, P.O. Box 800212, Charlottesville, VA 22908, USA.

Neurosurgery Clinics of North America
|September 27, 2015
PubMed

Insights

This study reviews Chiari I malformation pathophysiology, detailing cerebellar tonsil herniation mechanisms. Understanding these mechanisms aids in developing effective treatments for this condition.

Area of Science:

  • Neurology
  • Neurosurgery
  • Medical Imaging

Background:

  • Chiari I malformation involves cerebellar tonsil herniation.
  • Understanding its pathophysiology is crucial for effective treatment.

Purpose of the Study:

  • To summarize current knowledge on Chiari I malformation pathophysiology.
  • To outline the proposed mechanisms of cerebellar tonsil herniation.

Main Methods:

  • Review of modern Magnetic Resonance Imaging (MRI) observations.
  • Analysis of prospective physiological studies in patients pre- and post-surgery.

Main Results:

  • Pathophysiology is understood through anatomical and physiological data.
  • Four general mechanisms are identified for Chiari I malformation pathogenesis.

Conclusions:

  • Current understanding integrates imaging and clinical data.
  • Further research into the four proposed mechanisms is warranted.

Keywords:
Chiari I malformationHydrocephalusPosterior fossa

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