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Insights into rheumatoid arthritis from use of MRI

Fiona M McQueen1, Estee Chan

  • 1Department of Molecular Medicine and Pathology, Faculty of Medical and Health Sciences, University of Auckland, 85 Park Rd, Grafton, Auckland, New Zealand, f.mcqueen@auckland.ac.nz.

Current Rheumatology Reports
|November 22, 2013
PubMed

Insights

Magnetic resonance imaging (MRI) offers detailed joint visualization for rheumatoid arthritis (RA) patients, identifying structural damage and inflammation. MRI is crucial for prognosis, disease management, and tracking treatment response in RA.

Area of Science:

  • Rheumatology
  • Radiology
  • Medical Imaging

Background:

  • Rheumatoid arthritis (RA) is a chronic inflammatory disease affecting joints.
  • Accurate assessment of joint damage and inflammation is critical for RA management.
  • Conventional imaging may not detect early or subclinical disease activity.

Purpose of the Study:

  • To highlight the utility of Magnetic Resonance Imaging (MRI) in evaluating rheumatoid arthritis (RA) joints.
  • To discuss the prognostic significance of MRI findings in RA.
  • To review the role of MRI in clinical trials for RA.

Main Methods:

  • Detailed anatomical imaging of bone, cartilage, tendons, and synovial membrane using MRI.
  • Utilizing specific MRI sequences to detect water content and vascularity for inflammation assessment.
  • Reviewing recent clinical trials employing MRI outcome measures.

Main Results:

  • MRI reveals structural damage (erosion, thinning, rupture) and inflammation (synovitis, tenosynovitis, bone oedema/osteitis).
  • Bone oedema/osteitis identified by MRI serves as a key imaging biomarker for predicting RA progression.
  • Subclinical inflammation is frequently detected by MRI in RA patients in clinical remission, impacting disease management.

Conclusions:

  • MRI is an essential tool for comprehensive joint assessment in RA, providing detailed structural and inflammatory information.
  • MRI findings, particularly bone oedema/osteitis, have significant prognostic value and can guide treatment decisions.
  • MRI outcome measures are emerging as sensitive markers for assessing treatment response in RA clinical trials.

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