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A partially duplicated discoid lateral meniscus

S J Kim1, Y T Lee, C H Choi

  • 1Department of Orthopaedics, College of Medicine, Yonsei University, Seoul, Korea.

Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association
|July 29, 1998
PubMed
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A partially duplicated discoid lateral meniscus, a rare condition, was identified. This case highlights a peripheral meniscus tear and associated cartilage damage in the lateral femoral condyle.

Area of Science:

  • Orthopedics
  • Knee Anatomy
  • Sports Medicine

Background:

  • The discoid meniscus is a congenital anomaly of the knee, with the lateral type being more common.
  • While discoid menisci are prone to tears, partial duplication has not been previously documented.

Observation:

  • This report details a unique case of a partially duplicated lateral meniscus.
  • The patient presented with a peripheral tear of this anomalous meniscus.

Findings:

  • The primary finding is the first-ever reported instance of a partially duplicated discoid lateral meniscus.
  • A concurrent cartilage lesion of the lateral femoral condyle was observed, suggesting a link between the meniscal anomaly and chondral damage.

Implications:

Related Experiment Videos

  • This case expands the known spectrum of meniscal anomalies.
  • It underscores the importance of considering rare anatomical variations in diagnosing knee injuries.
  • Further research may elucidate the biomechanical implications and optimal management strategies for this condition.