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Lunotriquetral Instability: Diagnosis, Management, and Current Concept Review
Nicole A Zelenski1, Mikaela H Sullivan, Alexander Y Shin
1From the Department of Orthopaedic Surgery, Emory University, Atlanta, GA (Zelenski), and the Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN (Sullivan, Shin).
The Journal of the American Academy of Orthopaedic Surgeons
|August 20, 2025
Summary
Lunotriquetral ligament injuries, though less common, cause significant wrist pain and dysfunction. Diagnosis relies on clinical evaluation, with treatment tailored to injury severity and patient needs.
Area of Science:
- Orthopedic Surgery
- Sports Medicine
- Hand and Wrist Anatomy
Background:
- Lunotriquetral ligament injuries are less understood than scapholunate injuries.
- These injuries range from degenerative tears to complete dissociation.
- Diagnosis is challenging as only severe cases show radiographic changes.
Purpose of the Study:
- To review the spectrum of lunotriquetral ligament injuries.
- To emphasize the importance of carpal anatomy and biomechanics in diagnosis and treatment.
- To outline current diagnostic and treatment strategies.
Main Methods:
- Review of existing literature on lunotriquetral ligament injuries.
- Emphasis on clinical diagnosis through history and physical examination.
- Discussion of various surgical and non-surgical treatment options.
Main Results:
- A continuum of lunotriquetral ligament injuries exists, often presenting with disabling pain.
- Accurate diagnosis requires a thorough understanding of wrist biomechanics.
- Treatment selection depends on injury severity, instability, and patient demands.
Conclusions:
- Effective management of lunotriquetral ligament injuries necessitates a comprehensive approach.
- Treatment options range from conservative measures to complex surgical reconstructions.
- Advancements in diagnostic and surgical techniques have improved patient outcomes over time.
