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Related Experiment Videos

Diagnostic tools in hydrocephalus.

W G Bradley1

  • 1MRI and Radiology Research, Long Beach Memorial Medical Center, 403 East Columbia Street, Long Beach, CA 90806, USA. wgbradley@pol.net

Neurosurgery Clinics of North America
|August 29, 2001
PubMed
Summary

Magnetic resonance (MR) imaging is superior for diagnosing hydrocephalus, offering multiplanar capabilities and enhanced sensitivity. It detects interstitial edema, hyperdynamic cerebrospinal fluid (CSF) flow in normal-pressure hydrocephalus (NPH), and white matter ischemia.

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Area of Science:

  • Neurology
  • Radiology
  • Medical Imaging

Background:

  • Hydrocephalus diagnosis relies heavily on imaging techniques.
  • Computed tomography (CT) provides axial imaging, but has limitations.
  • Magnetic resonance (MR) imaging offers advanced diagnostic capabilities.

Purpose of the Study:

  • To highlight the advantages of MR imaging over CT for hydrocephalus diagnosis.
  • To detail MR imaging's sensitivity to specific pathological findings.

Main Methods:

  • Review of MR imaging's diagnostic performance in hydrocephalus.
  • Comparison of MR imaging findings with CT in hydrocephalus evaluation.

Main Results:

  • MR imaging provides multiplanar visualization, superior to CT's axial-only view.

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  • MR imaging is more sensitive to interstitial edema (transependymal CSF flow).
  • MR imaging detects hyperdynamic CSF flow in shunt-responsive normal-pressure hydrocephalus (NPH) and white matter ischemia.

    • Conclusions:

    • MR imaging is the premier modality for diagnosing hydrocephalus and its causes.
    • MR imaging's sensitivity aids in identifying subtle findings like edema and ischemia.
    • Advanced MR imaging techniques improve the diagnosis and understanding of NPH.