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Dynamic triquetrolunate instability: case report.

D M Lichtman, W H Noble, C E Alexander

    The Journal of Hand Surgery
    |March 1, 1984
    PubMed
    Summary
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    Dynamic triquetrolunate instability, a rare wrist condition, can be caused by torn interosseous ligaments. Surgical excision of the ligamentous tag and triquetrolunate fusion effectively restored motion.

    Area of Science:

    • Orthopedic Surgery
    • Hand and Wrist Anatomy
    • Ligamentous Injuries

    Background:

    • Triquetrolunate instability is a complex wrist condition.
    • The interosseous triquetrolunate ligament plays a crucial role in wrist stability.
    • Understanding dynamic instability is key for effective treatment.

    Observation:

    • A case presented with dynamic triquetrolunate instability.
    • A torn tag of the interosseous triquetrolunate ligament obstructed carpal motion.
    • This obstruction led to restricted and painful intercarpal movement.

    Findings:

    • Surgical excision of the obstructing ligamentous tag was performed.
    • Triquetrolunate fusion was utilized as a treatment modality.
    • The combined procedure successfully addressed the instability and obstruction.

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    Implications:

    • This case highlights a novel cause of dynamic triquetrolunate instability.
    • Surgical management involving ligamentous tag excision and fusion offers a viable solution.
    • Further research into ligamentous contributions to wrist instability is warranted.