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Tracking Mouse Bone Marrow Monocytes In Vivo
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Published on: February 27, 2015

Bone marrow edema.

Georg Schett1

  • 1Department of Internal Medicine 3, University of Erlangen-Nuremberg, Krankenhausstrasse 12, Erlangen, Germany. georg.schett@uk-erlangen.de

Annals of the New York Academy of Sciences
|March 3, 2009
PubMed
Summary
This summary is machine-generated.

Bone marrow edema on MRI may indicate inflammation in rheumatoid arthritis, not just fluid. These bone lesions, visible on MRI, are often vascularized and can appear even without joint erosion.

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Area of Science:

  • Radiology
  • Rheumatology
  • Orthopedics

Background:

  • Bone marrow edema on magnetic resonance imaging (MRI) shares signal characteristics with inflamed synovium.
  • This edema may represent inflammatory cell infiltration rather than solely extracellular fluid accumulation.

Purpose of the Study:

  • To describe the characteristics of bone marrow lesions identified by MRI in patients with inflammatory arthritis.

Main Methods:

  • Magnetic resonance imaging (MRI) was used to detect bone marrow lesions.
  • Analysis focused on signal quality, vascularization, and association with inflammatory arthritis.

Main Results:

  • Bone marrow edema patterns on MRI can mimic inflamed synovium.
  • Highly vascularized bone lesions near rheumatoid arthritis inflammation exhibit high water content and MRI visibility.
  • Periarticular bone marrow lesions are observable on MRI even in the absence of erosive changes.

Conclusions:

  • Bone marrow edema on MRI in inflammatory arthritis warrants consideration as a sign of true inflammation.
  • MRI is a valuable tool for detecting and characterizing bone marrow lesions in inflammatory arthritis.
  • Understanding these lesions is crucial for assessing disease activity and progression in inflammatory arthritis.