49-year-old woman with right knee pain and swelling status post ACL reconstruction and medial meniscus repair. MENISCI: The posterior horn of the medial meniscus is small, which may relate to partial meniscectomy, however it is also blunted, indicating tear. The lateral meniscus appears intact. ARTICULAR CARTILAGE AND BONE: Bone marrow signal intensity is normal.LIGAMENTS: Components of ACL repair appear intact. The PCL is intact. The MCL and LCL complex appear intact. EXTENSOR MECHANISM: The patellar and quadriceps tendons appear normal.ADDITIONAL
Postsurgical changes of ACL repair. Tear of the posterior horn of the medial meniscus.