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Related Experiment Video

Updated: Nov 2, 2025

Anterior Cruciate Ligament Transection and Synovial Fluid Lavage in a Rodent Model to Study Joint Inflammation and Posttraumatic Osteoarthritis
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Five Overlooked Injuries on Knee MRI.

James F Griffith1

  • 1Department of Imaging and Interventional Radiology, The Chinese University of Hong Kong, 30-32, Ngan Shing St, Shatin, NT, Hong Kong.

AJR. American Journal of Roentgenology
|June 16, 2021
PubMed
Summary

This review details five common knee MRI findings often missed: ramp lesions, meniscocapsular tears, meniscal root tears, posterior capsular ligament tears, and partial anterior cruciate ligament tears. Early detection improves patient outcomes and prevents further injury.

Keywords:
MRIanterior cruciate ligamentinjurykneemeniscusramp lesionroot ligament tear

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Area of Science:

  • Radiology
  • Orthopedics
  • Medical Imaging

Background:

  • Knee MRI interpretation requires meticulous attention to detail.
  • Certain knee injuries are frequently overlooked despite their potential clinical significance.

Purpose of the Study:

  • To identify and describe five commonly missed knee injuries on MRI.
  • To provide guidance for improved detection of these specific injuries.

Main Methods:

  • Review of relevant knee anatomy and MRI appearances.
  • Emphasis on common injury patterns and diagnostic tips.
  • Discussion of clinical and arthroscopic challenges in diagnosis.

Main Results:

  • Highlights five specific injuries: ramp lesions, meniscocapsular tears, meniscal root tears, posterior capsular ligament tears, and partial anterior cruciate ligament tears.
  • These injuries, though often subtle, can lead to persistent symptoms and increased risk of further knee damage.

Conclusions:

  • Routine, thorough review of specific anatomical areas on knee MRI is crucial for recognizing these overlooked injuries.
  • Improved MRI interpretation can lead to earlier diagnosis and potentially better management of knee pathologies.