Male, 24 years old. Reason: left knee meniscus tear History: left knee pain and swelling MENISCI: There is a complex tear of the posterior horn of the medial meniscus with vertical and horizontal components. The anterior horn is intact. The posterior horn of the lateral meniscus appears small and triangular, without abnormal internal signal, likely postoperative in etiology.ARTICULAR CARTILAGE AND BONE: There is mild bone marrow edema at the medial femoral condyle, and at the lateral and medial tibial plateaus. The articular cartilage appears normal.LIGAMENTS: Status post ACL repair, with normal appearance of the postoperative ligament. The PCL appears normal. The collateral ligaments are intact.EXTENSOR MECHANISM: No significant abnormality noted.ADDITIONAL
1.Persistent complex tear of the posterior horn of the medial meniscus as described above. Probable postsurgical changes of the lateral meniscus.2.Postoperative changes of ACL repair.3.Joint effusion and other findings as described above.