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Bones of the Upper Limb: Radius01:09

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Scapholunate Ligament Injuries.

Joanne Y Zhou1, Riasoya Jodah2, Lauren P Joseph1

  • 1Department of Orthopaedic Surgery, Stanford University Medical Center, Redwood City, CA.

Journal of Hand Surgery Global Online
|October 27, 2025
PubMed
Summary

Injuries to the scapholunate interosseous ligament (SLIL) can cause wrist degeneration. Understanding SLIL anatomy is key for diagnosis, treatment, and managing outcomes of these common wrist injuries.

Keywords:
AnatomyDiagnosisPreventionScapholunate interosseous ligament complex injuriesTreatment

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Area of Science:

  • Orthopedic Surgery
  • Anatomy
  • Sports Medicine

Background:

  • Scapholunate interosseous ligament (SLIL) injuries can lead to carpal instability and radiocarpal degeneration.
  • Both acute trauma and repetitive stress can cause SLIL insufficiency.
  • Accurate diagnosis and treatment depend on a comprehensive understanding of SLIL anatomy.

Purpose of the Study:

  • To review the anatomy of the scapholunate ligament.
  • To discuss prevention, diagnosis, and treatment strategies for SLIL injuries.
  • To outline the outcomes associated with various management approaches.

Main Methods:

  • Literature review of scapholunate interosseous ligament (SLIL) anatomy.
  • Compilation of current prevention and diagnosis methods.
  • Summary of nonoperative and operative treatment options and their outcomes.

Main Results:

  • SLIL injuries initiate a cascade of carpal incongruity and degeneration.
  • Effective management requires detailed anatomical knowledge.
  • A range of treatments is available for different injury stages.

Conclusions:

  • Understanding SLIL anatomy is crucial for diagnosing and treating wrist injuries.
  • Management strategies should be tailored to the specific injury stage.
  • Patient-physician collaboration is essential for optimal treatment decisions.