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Related Experiment Video

Updated: Mar 8, 2026

Destabilization of the Medial Meniscus and Cartilage Scratch Murine Model of Accelerated Osteoarthritis
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Discoid Lateral Meniscus.

Wen-Li Dai1, Hua Zhang1, Ai-Guo Zhou1

  • 1Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.

The Journal of Knee Surgery
|January 24, 2017
PubMed
Summary
This summary is machine-generated.

Partial meniscectomy offers better outcomes for discoid lateral meniscus (DLM) than total meniscectomy. Younger patients (<20 years) and shorter follow-up periods also correlate with improved results.

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Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Knee Surgery

Background:

  • Discoid lateral meniscus (DLM) is a congenital anomaly often treated with meniscectomy.
  • Partial and total meniscectomies are common surgical interventions for DLM.
  • Comparative outcome data between these procedures are crucial for clinical decision-making.

Purpose of the Study:

  • To quantitatively compare the surgical outcomes of partial versus total meniscectomies for DLM.
  • To evaluate the influence of DLM type, follow-up duration, and patient age on treatment efficacy.

Main Methods:

  • Systematic review and meta-analysis of studies sourced from PubMed, Embase, and Cochrane databases.
  • Inclusion criteria focused on studies reporting Ikeuchi grade, IKDC score, Lysholm score, or failure rates.
  • Statistical analysis included odds ratios and mean differences with 95% confidence intervals.

Main Results:

  • Fifteen studies were included, with an overall excellent or good outcome rate of 85.5%.
  • Partial meniscectomy demonstrated a significantly higher rate of excellent/good outcomes compared to total meniscectomy (OR=1.97, p=0.038).
  • Patients under 20 years old showed significantly better outcomes (OR=3.12, p=0.022), and outcomes decreased with longer follow-up.

Conclusions:

  • Partial meniscectomy is associated with superior outcomes compared to total meniscectomy for discoid lateral meniscus treatment.
  • Younger patient age (<20 years) is a positive prognostic factor for DLM surgery.
  • Shorter follow-up durations appear to correlate with better reported outcomes.