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Related Experiment Videos

Magnetic resonance arthrography.

Todd Osinski1, David Malfair, Lynne Steinbach

  • 1Department of Radiology, University of California San Francisco, 505 Parnassus, Suite M392, San Francisco, CA 94143-0628, USA.

The Orthopedic Clinics of North America
|July 19, 2006
PubMed
Summary
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Magnetic resonance arthrography (MRA) offers advanced joint imaging, evolving from fluoroscopic and CT methods. Both direct and indirect MRA techniques are discussed, highlighting MRA

Area of Science:

  • Radiology
  • Medical Imaging
  • Orthopedics

Background:

  • Fluoroscopic arthrography was the primary joint imaging technique for decades.
  • Computed Tomography (CT) arthrography emerged with CT advancements.
  • Magnetic Resonance Imaging (MRI) enabled multiplanar joint visualization, leading to MRA.

Purpose of the Study:

  • To provide an overview of direct magnetic resonance arthrography (MRA).
  • To discuss joint-specific considerations for direct MRA.
  • To present an overview of indirect MRA as a less invasive alternative.

Main Methods:

  • Review of direct magnetic resonance arthrography (MRA) techniques.
  • Discussion of joint-specific applications and challenges in MRA.
  • Overview of indirect MRA principles and methodology.

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Main Results:

  • Direct MRA has become the preferred contrast-enhanced joint imaging modality in the US since its development.
  • Indirect MRA offers a less invasive approach to contrast-enhanced joint imaging.
  • Specific joint imaging protocols and findings for direct MRA are detailed.

Conclusions:

  • Direct MRA is a valuable tool for detailed joint assessment.
  • Indirect MRA provides a viable, less invasive alternative for specific indications.
  • Both MRA techniques have advanced joint imaging beyond older methods.