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Related Experiment Videos

MR angiography: supra-aortic vessels.

S Wetzel1, G Bongartz

  • 1Division of Neuroradiology, Department of Radiology, University Hospitals/Kantonsspital Basel, Petersgraben 4, CH-4031 Basel, Switzerland.

European Radiology
|August 25, 1999
PubMed
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Magnetic resonance angiography (MRA) uses flow effects and contrast enhancement to image blood vessels. It is crucial for assessing carotid artery stenosis and cervical artery dissections, key causes of stroke.

Area of Science:

  • Medical Imaging
  • Radiology
  • Vascular Imaging

Background:

  • Magnetic resonance angiography (MRA) is a vital imaging technique.
  • It utilizes natural flow effects (time-of-flight, phase-contrast) and contrast-enhanced (CE) methods.
  • Supra-aortic vessels are key areas for MRA evaluation.

Purpose of the Study:

  • To present various MRA techniques for supra-aortic vessel pathologies.
  • To discuss applications of MRA in carotid artery stenosis and cervical artery dissections.
  • To explore recent advancements in contrast-enhanced MRA.

Main Methods:

  • Review of time-of-flight and phase-contrast MRA techniques.
  • Inclusion of two- and three-dimensional acquisition modes.
  • Discussion of contrast-enhanced MRA methodologies.

Related Experiment Videos

Main Results:

  • MRA effectively visualizes supra-aortic vessels.
  • Techniques are applied to diagnose carotid artery stenosis and dissections.
  • CE-MRA shows promise for enhanced imaging.

Conclusions:

  • MRA is essential for evaluating supra-aortic vessel diseases.
  • It aids in grading stenosis and identifying dissections.
  • CE-MRA represents a significant advancement in vascular imaging.