Knee pain Due to the patient's body habitus, the appropriate knee coil was unable to be utilized and a flex coil was substituted. As a result, image quality is suboptimal. The examination is also limited by motion artifact. MENISCI: There is a large complete radial tear of the posterior horn of the lateral meniscus with associated mild lateral extrusion of the body of the lateral meniscus. Subjectively, the body and anterior horn of the lateral meniscus appears slightly attenuated which may reflect additional chronic attritional tearing or changes from partial meniscectomy. There is slight attenuation and medial extrusion of the body of the medial meniscus but we see no discrete meniscal tear.ARTICULAR CARTILAGE AND BONE: There is full-thickness degeneration of the articular cartilage along the lateral tibial plateau and lateral femoral condyle posteriorly. There is also full-thickness degeneration of the articular cartilage of the medial patellar facet with additional partial thickness degeneration of the articular cartilage of the lateral facet and femoral trochlea. There is relatively mild degeneration of the articular cartilage of the medial tibiofemoral compartment with focal near full-thickness degeneration of the medial femoral condyle posteriorly. LIGAMENTS: The patient has undergone ACL reconstruction and the graft appears intact. The remaining cruciate and collateral ligaments also appear intact. EXTENSOR MECHANISM: No significant abnormality noted.ADDITIONAL
1. Osteoarthritis of the knee with large complete radial tear of the posterior horn of the lateral meniscus.2. ACL reconstruction with intact ACL graft.