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Role of Diffusion Weighted Imaging in Musculoskeletal Infections: Current Perspectives

Yogesh Kumar1, Mohammad Khaleel2, Ethan Boothe3

  • 1Department of Radiology, Yale New Haven Health System at Bridgeport Hospital, Bridgeport, CT, USA.

European Radiology
|May 12, 2016
PubMed

Insights

Diffusion-weighted imaging (DWI) enhances musculoskeletal infection diagnosis when routine MRI is insufficient. DWI provides crucial details for accurate characterization and extent definition, enabling prompt treatment initiation for better patient outcomes.

Area of Science:

  • Radiology
  • Musculoskeletal Imaging
  • Infectious Disease Imaging

Background:

  • Accurate diagnosis and prompt therapy are crucial for musculoskeletal infections.
  • Routine MRI aids diagnosis but may lack specificity, especially without contrast.
  • Delayed treatment due to diagnostic ambiguity can negatively impact prognosis.

Purpose of the Study:

  • To illustrate imaging findings of musculoskeletal infections.
  • To emphasize the role of Diffusion-weighted imaging (DWI) in diagnosing these infections.
  • To highlight DWI's utility when contrast-enhanced MRI is not feasible.

Main Methods:

  • Review of imaging findings in musculoskeletal infections.
  • Emphasis on the application and interpretation of Diffusion-weighted imaging (DWI).
  • Comparison of DWI findings with conventional MRI and clinical data.

Main Results:

  • DWI effectively detects abscesses in cellulitis.
  • Infectious tenosynovitis demonstrates diffusion restriction compared to mechanical tenosynovitis.
  • DWI differentiates pyomyositis with abscess from diabetic myonecrosis.
  • Intraosseous abscesses appear bright on DWI, distinguishing them from non-viable tissue or air.
  • DWI aids in differentiating spinal infections from Modic changes.

Conclusions:

  • Diffusion-weighted imaging (DWI) is a valuable tool for diagnosing musculoskeletal infections.
  • DWI provides critical information for accurate characterization and extent assessment.
  • The study underscores DWI's importance in guiding prompt and appropriate treatment decisions.
Keywords:
AbscessDWIDiffusionInfectionMRI

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