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Related Experiment Videos

Posterior ankle labral changes at MRI: A preliminary study.

Nasir Khan1, Navdeep Sahota1, Michael L Shepel1

  • 1Department of Medical Imaging, Royal University Hospital, Saskatoon, Saskatchewan, Canada.

Journal of Medical Imaging and Radiation Oncology
|April 19, 2017
PubMed
Summary
This summary is machine-generated.

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Abnormal posterior ankle labral changes were identified in 26% of MRIs, often associated with other ankle issues but not patient symptoms. Further research is needed on biomechanical impacts.

Area of Science:

  • Orthopedic imaging
  • Radiology
  • Anatomy

Background:

  • The transverse ligament of the ankle, a labrum-like structure, has been previously described.
  • Understanding its imaging characteristics is crucial for diagnosing ankle pathologies.

Purpose of the Study:

  • To evaluate the range of abnormal findings of the posterior ankle labrum on MRI.
  • To correlate these imaging findings with other ankle joint abnormalities and patient symptoms.

Main Methods:

  • Retrospective review of 172 ankle MRI scans.
  • Independent analysis by two musculoskeletal radiologists.
  • Correlation of labral changes with other joint findings and symptoms.

Main Results:

Keywords:
MRIanklelabrumposterior impingement

Related Experiment Videos

  • Abnormal labral changes observed in 26% of scans (44/172).
  • Findings included signal/contour abnormalities, fluid-filled clefts, and maceration.
  • Significant associations found with Stieda process/os trigonum, osteoarthritis, paralabral cysts, posterior impingement, and ligament injuries.
  • No significant association between labral changes and patient symptoms.

    • Conclusions:

    • The posterior ankle labrum exhibits diverse abnormal MRI appearances, particularly with coexisting ankle abnormalities.
    • Despite associations with structural changes, no direct correlation with patient symptoms was found in this study.
    • Larger studies are recommended to investigate potential biomechanical consequences of these labral alterations.