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✅ Knee MRI Mastery/Chap 1. Meniscus

(Fig 1-B.37) Type 2 Ramp lesion, Partial superior lesion

by MSK MRI 2024. 2. 7.

https://youtu.be/SOJSMJICyxQ

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Type 2 Ramp Lesion: Partial Superior Lesion

  • Type 2 Ramp Lesions are characterized by peripheral partial-thickness tears involving the superior margin of the posterior horn of the medial meniscus. 
  • These tears retain intact meniscocapsular attachments to the posterior horn.
  • This type of tear pattern is generally considered more stable compared to full-thickness meniscocapsular tears.

 

MRI Findings:

  • The image depicts a Type 2 Ramp Lesion, showing a partial thickness superior vertical tear extending through the posterior horn of the medial meniscus, with a linear vertical fluid signal reaching the superior articular surface. 
  • Additionally, a peripheral partial tear of the posterior horn of the medial meniscus affects the femoral articular surface, accompanied by a meniscocapsular ligament tear.
  • Bone Marrow Edema: 

This is present in the anterior aspect of the medial femoral condyle and posterior margin of the medial tibial plateau, indicative of recent contrecoup injury.

 

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