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Author Spotlight: Exploring the Complexities of Achilles Tendon Injuries — Research and Future Directions
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MR Imaging of the Distal Radioulnar Joint.

Alvaro Cerezal1, Ana Canga2, Luis Cerezal3

  • 1Department of Orthopedic Surgery, La Paz University Hospital, Paseo de la Castellana 261, Madrid 28046, Spain.

Magnetic Resonance Imaging Clinics of North America
|November 20, 2025
PubMed
Summary

Magnetic resonance (MR) imaging is crucial for diagnosing distal radioulnar joint (DRUJ) pathology, especially triangular fibrocartilage complex (TFCC) tears. Advanced MR techniques enhance the detection and classification of TFCC lesions, guiding effective treatment strategies.

Keywords:
CTDRUJ instabilityDistal radioulnar jointMR imagingTriangular fibrocartilage complexWrist fractures

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Area of Science:

  • Radiology
  • Orthopedic Imaging
  • Musculoskeletal Imaging

Background:

  • The distal radioulnar joint (DRUJ) is vital for wrist function.
  • Pathology of the triangular fibrocartilage complex (TFCC) significantly impacts DRUJ stability.
  • Accurate diagnosis of DRUJ and TFCC injuries is clinically important.

Purpose of the Study:

  • To highlight the role of MR imaging in evaluating DRUJ pathology.
  • To emphasize the utility of high-resolution MR imaging and MR arthrography in detecting TFCC tears.
  • To underscore the importance of MR imaging in guiding treatment and assessing joint stability.

Main Methods:

  • Utilizing high-resolution MR imaging for DRUJ assessment.
  • Employing MR arthrography with DRUJ compartment injection for enhanced visualization.
  • Classifying TFCC lesions based on MR findings (Palmer and non-Palmer).

Main Results:

  • High-resolution MR imaging and MR arthrography improve detection of subtle TFCC tears.
  • Accurate classification of Palmer and non-Palmer lesions aids in treatment planning.
  • MR imaging effectively evaluates posttraumatic deformity, degenerative changes, and inflammatory arthropathy affecting the DRUJ.

Conclusions:

  • MR imaging is indispensable for evaluating DRUJ pathology, particularly TFCC integrity.
  • Advanced MR techniques offer superior detection of TFCC tears.
  • Comprehensive MR evaluation of the DRUJ influences therapeutic decision-making for various pathologies.