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Related Experiment Videos

Further pitfalls in knee arthrography.

F M Hall

    Journal of the Canadian Association of Radiologists
    |September 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    Arthrography may miss peripheral meniscal tears and associated cartilage damage, especially in older adults with degenerative changes. These subtle findings are often more extensive upon specimen examination, impacting clinical decisions.

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    Area of Science:

    • Orthopedic Surgery
    • Radiology
    • Sports Medicine

    Background:

    • Peripheral meniscal separations can be challenging to diagnose accurately using standard arthroscopic or surgical specimen examination.
    • Degenerative meniscal changes are prevalent, particularly in older populations, and may not present with clearly defined tears on imaging.

    Purpose of the Study:

    • To evaluate the diagnostic accuracy of arthrography in identifying peripheral meniscal tears and associated articular cartilage defects.
    • To compare arthrographic findings with arthroscopic and surgical specimen evaluations.
    • To investigate the incidence of chondromalacia in post-meniscectomy knees.

    Main Methods:

    • Review of arthrographic, arthroscopic, and surgical specimen findings for peripheral meniscal tears.

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  • Analysis of imaging techniques, including fluoroscopy, for detecting articular cartilage defects.
  • Assessment of symptomatic knees following meniscectomy for chondromalacia.

    • Main Results:

    • Arthrography may fail to detect peripheral meniscal separations, particularly oblique buckethandle tears presenting as triangular fragments.
    • Articular cartilage defects can be suspected during fluoroscopy and confirmed with additional imaging views.
    • Resected specimens reveal more extensive surface irregularities and unsuspected horizontal cleavage tears than suggested by preoperative imaging.

    Conclusions:

    • Arthrography has limitations in diagnosing peripheral meniscal tears and associated injuries.
    • Degenerative meniscal changes are common and may be underestimated radiologically.
    • The clinical significance of degenerative menisci requires further investigation.