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Cautious surgery for discoid menisci.

C F Smith1, G E Van Dyk, J Jurgutis

  • 1University of Southern California School of Medicine, Los Angeles, USA.

The American Journal of Knee Surgery
|March 2, 1999
PubMed
Summary
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Discoid meniscus surgery outcomes were reviewed in 38 patients. Approximately 40% of patients undergoing meniscectomy had fair or poor results, highlighting the need for careful surgical technique in discoid meniscus treatment.

Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Knee Meniscus Research

Background:

  • Discoid meniscus is a congenital anomaly of the knee.
  • It can lead to knee pain, locking, and other symptoms.
  • Previous treatment outcomes for discoid meniscus are varied.

Purpose of the Study:

  • To review the long-term outcomes of patients with discoid meniscus treated surgically.
  • To evaluate the effectiveness of different surgical techniques, including trimming and resection.
  • To identify factors associated with poor outcomes in discoid meniscus treatment.

Main Methods:

  • Retrospective review of 43 knees in 38 patients treated between 1977 and 1989.
  • Surgical interventions included no treatment, trimming, subtotal resection, or total resection.

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  • Patient outcomes were assessed based on clinical ratings after an average follow-up of 6.5 years.

    • Main Results:

    • Approximately 40% of patients who underwent meniscectomy or partial meniscectomy reported fair or poor outcomes.
    • Mucoid and fibrinous degeneration was common in abnormal discoid meniscal tissue.
    • Diagnostic challenges were noted, with only 63% of symptomatic knees having a positive arthrogram.

    Conclusions:

    • Symptomatic discoid meniscus cases warrant arthroscopic evaluation.
    • Partial meniscectomy is recommended to create a smooth meniscus and stable peripheral rim.
    • Careful surgical technique is crucial for improving outcomes in discoid meniscus treatment.