Female, 20 years old. History of lateral meniscal tear s/p repair in June. Recent injury with decreased extension. MENISCI: There is a complex tear of the lateral meniscus predominantly involving the anterior horn and anterior root, with abnormal signal and disruption at the junction of the body and anterior horn. Horizontally oriented signal abnormality is noted in the body of the lateral meniscus. The posterior horn also has an abnormal rounded configuration, likely reflecting re-tearing. These findings appear progressed from the prior study. The medial meniscus is intact.ARTICULAR CARTILAGE AND BONE: There is mild diffuse articular cartilage loss of the lateral femoral condyle. There is a full-thickness articular cartilage defect posteriorly along the lateral tibial plateau just anterior to the meniscal remnant. There is generalized thinning of the patellar cartilage, without focal defect identified. Bone marrow signal is normal.LIGAMENTS: The cruciate and collateral ligaments are intact. EXTENSOR MECHANISM: No significant abnormality noted.ADDITIONAL
1.Complex tear of the lateral meniscus, greater than seen on the prior study, compatible with re-tearing.2.Full-thickness articular cartilage defect posteriorly along the lateral tibial plateau