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Dorsal Triangular Fibrocartilage Complex Arthroscopic Repair.

Arthur On-Fai Woo1, Wai-Wang Chau2, Wing-Lim Tse1

  • 1Department of Orthopaedics and Traumatology, Prince of Wales Hospital, Shatin, Hong Kong SAR.

Journal of Wrist Surgery
|November 21, 2025
PubMed
Summary
This summary is machine-generated.

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Arthroscopic repair of dorsal triangular fibrocartilage complex (TFCC) tears significantly improves wrist pain and function. Early surgical intervention, around 9 months post-injury, may yield the best outcomes for dorsal TFCC tears.

Area of Science:

  • Orthopedic Surgery
  • Wrist Arthroscopy
  • Sports Medicine

Background:

  • The dorsal triangular fibrocartilage complex (TFCC) is a distinct anatomical region not previously classified by Palmer.
  • Dorsal TFCC tears can lead to significant wrist pain and functional impairment.
  • Limited literature exists on dorsal TFCC tears and their arthroscopic repair outcomes.

Purpose of the Study:

  • To define the anatomy of the dorsal TFCC.
  • To investigate clinical and functional outcomes following arthroscopic repair of dorsal TFCC tears.

Main Methods:

  • An 18-year retrospective review of 32 patients undergoing arthroscopic repair of dorsal TFCC tears.
  • Patients were categorized into isolated dorsal tears or complex tears with concomitant TFCC injuries.
Keywords:
arthroscopic repairdorsal tearssurgical techniquetriangular fibrocartilage complex

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  • Clinical outcomes, functional scores, and grip strength were evaluated and compared between groups.

    • Main Results:

    • Significant improvements were observed in wrist performance scores, Visual Analog Scale (VAS) pain scores, Modified Mayo Wrist Score (MMWS), and grip strength post-arthroscopic repair.
    • Isolated dorsal tears showed improved distal radioulnar joint stability, achieving 100% post-operatively.
    • Surgery performed approximately 9 months post-injury correlated with the greatest improvement in wrist flexion.

    Conclusions:

    • Arthroscopic repair of dorsal TFCC tears leads to substantial pain relief and improved daily activity performance.
    • Dorsal TFCC tears are often overlooked and can be diagnosed and treated effectively with wrist arthroscopy.
    • Consideration of wrist arthroscopy for ulnar-sided wrist pain, even with negative initial imaging, is recommended.