J Korean Orthop Assoc.  2015 Oct;50(5):353-358. 10.4055/jkoa.2015.50.5.353.

Diagnosis and Current Trends of Medial Meniscus Posterior Root Tear

Affiliations
  • 1Department of Orthopaedic Surgery, Ewha Womans University School of Medicine, Seoul, Korea.
  • 2Department of Orthopaedic Surgery, Sungkyunkwan University School of Medicine, Seoul, Korea.
  • 3Department of Orthopaedic Surgery, Korea University College of Medicine, Seoul, Korea. oshan@korea.ac.kr

Abstract

Medial meniscal root tears with extrusion result in the loss of transmission of circumferential hoop stresses, leading to significantly increased tibiofemoral contact pressure and changes in knee biomechanics and kinematics. Therefore, medial meniscal root tears have attracted attention in recent years with regard to their early diagnosis. With the remarkable development of magnetic resonance imaging and arthroscopy, early diagnosis of medial meniscal root tears is on the rise. This report includes diagnosis and current trends of medial meniscal root tears.

Keyword

medial meniscus; root tear; magnetic resonance imaging

MeSH Terms

Arthroscopy
Biomechanical Phenomena
Diagnosis*
Early Diagnosis
Knee
Magnetic Resonance Imaging
Menisci, Tibial*
Tears*

Figure

  • Figure 1 Coronal T2-weighted image showing medial meniscus extrusion with left arthroscopic panel.

  • Figure 2 Axial image showing a high signal in the region of the posterior horn with a radial root tear (arrow).

  • Figure 3 Sagittal image showing a ghost sign (arrow).


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