Reason: pain, instability History: pain MENISCI: The medial meniscus appears intact. The lateral meniscus appears intact.ARTICULAR CARTILAGE AND BONE: There is bone marrow edema within the posterior aspect of the lateral tibial plateau indicating a bone contusion. There is linear decreased signal abnormality within the posterior aspect of the tibial plateau indicating a nondisplaced subchondral fracture (image 24; series 5). No full-thickness or near full-thickness articular cartilage defects are identified.LIGAMENTS: There is disruption of the ACL through its proximal fibers. The PCL appears intact. There is a lobulated foci of fluid signal intensity along the posterior and anterior aspect of the PCL which may reflect mucoid degeneration. The MCL and LCL appear intact. EXTENSOR MECHANISM: The extensor mechanism appears intact. There is minimal increased signal abnormality and thickening of the patellar tendon indicating mild tendinosis.ADDITIONAL
1. Disruption of the ACL through its proximal fibers.2. Nondisplaced subchondral fracture of the posterior aspect of the lateral tibial plateau with associated bone contusion. Other findings as described above.