Complete tear of the anterior cruciate ligament is noted. There is avulsion of the ACL tibial insertion, with marrow edema at the tibial epiphysis.
Posterior horn medial meniscus high signal intensity reaching the inferior articular surfaces in keeping with tear. Mild diffuse chondromalacia patellae is noted. Early chondropathic changes with marginal osteophytes are noted in both medial and lateral compartments in keeping with mild to moderate osteoarthritis.