Right distal femoral lateral condyle marrow infiltrative lesion eliciting low signal on T1, high signal on T2, and STIR WI. It shows lateral cortical erosion and associated extra-osseous soft tissue component invading the adjacent muscles. Associated enlarged popliteal lymph nodes are also noted. Moderate knee joint effusion.
Torn posterior horn of the medial meniscus. Torn anterior horn of the lateral meniscus. Sprain of the ACL.