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A study of ankle instability utilizing ankle arthrography

J F Schweigel, W J Knickerbocker, P Cooperberg

    The Journal of Trauma
    |November 1, 1977
    PubMed
    Summary
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    Ankle arthrography can help diagnose torn ankle ligaments in chronic instability cases. However, a negative arthrogram does not always rule out ligament tears, even with normal talar tilt.

    Area of Science:

    • Orthopedics
    • Radiology
    • Sports Medicine

    Background:

    • Chronic ankle instability often involves ligamentous injury.
    • Accurate diagnosis is crucial for effective treatment.
    • Ankle arthrography is a diagnostic imaging technique.

    Purpose of the Study:

    • To evaluate the utility of ankle arthrography in diagnosing chronic ankle instability.
    • To determine the diagnostic accuracy of ankle arthrography for torn ankle ligaments.
    • To establish the role of ankle arthrography in relation to other diagnostic methods.

    Main Methods:

    • Preclinical study involving 50 cadaver ankle arthrograms.
    • Clinical study of 10 patients with chronic ankle instability using arthrography.
    • Assessment of contrast in tendon sheaths and joint capsule/ligament integrity.

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    Main Results:

    • Contrast in tendon sheaths does not indicate a torn ankle ligament.
    • Ankle arthrography is helpful when other diagnostic procedures are negative.
    • A positive arthrogram confirms torn capsule and ligament.
    • A negative arthrogram with normal talar tilt was still associated with ligament tears in a small series.

    Conclusions:

    • Ankle arthrography is a valuable tool for diagnosing torn ankle ligaments in chronic instability.
    • It is particularly useful when initial investigations are inconclusive.
    • Limitations exist, as negative findings do not entirely exclude ligamentous injury.