OCAD MSK

History

6 yr old female with 9 months knee pain

Figure 1 for case discoid lateral meniscus ( RID2771 ) — Figure 1

Figure 2 for case discoid lateral meniscus ( RID2771 ) — Figure 2

Figure 3 for case discoid lateral meniscus ( RID2771 ) — Figure 3

Discussion

Unstable discoid lateral meniscus is posteriorly subluxed with the knee in extension. Note the tearing of the anterior meniscotibial capsular ligament. There is degenerative tearing of the LM with a parameniscal cyst. The anterior horn region dips into an anterolateral tibial osteochondral defect.

Diagnosis

discoid lateral meniscus ( RID2771 )

Hilary Umans, MD

Courtesy

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