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MR angiography in neurologic disease

S W Atlas1

  • 1Department of Radiology, Hospital of the University of Pennsylvania, Philadelphia 19104.

Radiology
|October 1, 1994
PubMed
Summary

Magnetic resonance angiography (MRA) is a vital tool for diagnosing neurologic diseases. This review covers MRA principles, clinical applications for carotid atherosclerosis and aneurysms, and technical advancements.

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Area of Science:

  • Medical Imaging
  • Neurology
  • Cardiovascular Imaging

Background:

  • Magnetic resonance (MR) angiography has become a standard diagnostic tool in neurology.
  • Understanding MR principles is crucial for effective clinical application.
  • A historical perspective highlights the importance of critical evaluation of MRA literature.

Purpose of the Study:

  • To provide an overview of MR angiography (MRA) principles and flow imaging.
  • To summarize the clinical rationale and needs for MRA in neurologic practice.
  • To review MRA data for specific neurological conditions and discuss recent innovations.

Main Methods:

  • Review of biophysical principles of MR and flow imaging.
  • Historical perspective on MRA development.
  • Summary of blinded reader studies and technical innovations.

Main Results:

  • MRA is commonly used for neurologic disease diagnosis.
  • Data supports MRA efficacy in evaluating extracranial carotid atherosclerosis.
  • MRA is effective for detecting intracranial aneurysms.

Conclusions:

  • MRA is an established technique in neurologic diagnostics.
  • Critical appraisal of MRA literature is essential.
  • Ongoing technical advancements continue to refine MRA applications.

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