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Related Experiment Videos

Extensor tendon rupture over the metacarpal heads.

M L Clayton, R Thirupathi, D C Ferlic

    The Hand
    |June 1, 1983
    PubMed
    Summary

    Extensor tendon ruptures in rheumatoid arthritis typically affect the ring and little fingers. This study highlights rare cases of middle finger extensor tendon rupture caused by bone spurs over the metacarpal head.

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    Area of Science:

    • Orthopedic Surgery
    • Rheumatology
    • Hand Surgery

    Background:

    • Rheumatoid arthritis frequently causes extensor tendon rupture in the hand.
    • Commonly affected tendons include those of the ring and little fingers.
    • Ruptures usually occur over the dorsal ulna or distal extensor retinaculum.

    Observation:

    • Two cases of extensor tendon rupture at unusual locations are presented.
    • Ruptures occurred over the metacarpal head of the middle finger.
    • Prominent osteophytes were identified as the cause.

    Findings:

    • Extensor tendon rupture can occur at the metacarpal head of the middle finger.
    • Osteophyte formation is a potential cause of extensor tendon rupture.
    • This presentation differs from typical extensor tendon rupture sites in rheumatoid arthritis.

    Implications:

    • Highlights the importance of considering osteophyte-induced rupture in rheumatoid arthritis hand cases.
    • May influence surgical considerations for extensor tendon injuries in rheumatoid arthritis.
    • Broadens understanding of extensor tendon rupture mechanisms in rheumatoid arthritis.

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