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Related Experiment Videos

Pitfalls in double contrast knee arthrography.

I Watt, T Tasker

    The British Journal of Radiology
    |August 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

    Double-contrast knee arthrography showed 85% accuracy compared to arthrotomy. Discrepancies were due to reporting errors and interpretation or technical failures in knee imaging.

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    Area of Science:

    • Orthopedic Surgery
    • Diagnostic Imaging
    • Radiology

    Background:

    • Double-contrast knee arthrography was a diagnostic tool used between 1973 and 1977.
    • Arthrography is an imaging procedure used to examine joints.

    Purpose of the Study:

    • To review the accuracy of double-contrast knee arthrography.
    • To analyze discrepancies between arthrography and arthrotomy findings.

    Main Methods:

    • Retrospective review of 242 patients who underwent double-contrast knee arthrography.
    • Comparison of arthrography results with findings from 134 subsequent arthrotomies.

    Main Results:

    • An initial accuracy of 85% was reported for knee arthrography.
    • Discrepancies between arthrography and arthrotomy were identified in 20 patients.

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  • False negative reports accounted for half of the discrepancies (10 patients).
  • The remaining discrepancies were attributed to arthrotomy interpretation errors (4 patients) or arthrography interpretation/technical failures (6 patients).

    • Conclusions:

    • While double-contrast knee arthrography demonstrated reasonable accuracy, reporting and interpretation errors can affect diagnostic outcomes.
    • Understanding these error sources is crucial for improving the reliability of joint imaging interpretations.