15-year-old female with injury after basketball game. Evaluate for injury. MENISCI: Branching high signal is present within in the posterior horn of the medial meniscus, which extends to both articular surfaces compatible with complex meniscal tear. The anterior horn of the medial meniscus as well as the anterior and posterior horns of the lateral meniscus are intact.ARTICULAR CARTILAGE AND BONE: There is increased T2 signal in the lateral femoral condyle compatible with edema, with associated high signal in the underlying femoral condylar articular surface suggesting articular cartilage tearing.LIGAMENTS: There is a complete tear of the anterior cruciate ligament. The posterior cruciate ligament is intact. The lateral collateral and medial collateral ligament complexes are intact. EXTENSOR MECHANISM: High signal is evident within the medial and lateral patellar retinaculum consistent with edema. The extensor mechanism is intact.ADDITIONAL
1.Complete tear of the anterior cruciate ligament with associated marrow edema in the lateral femoral condyles.2.Complex tear of the posterior horn of the medial meniscus.3.Edema affecting the medial and lateral patellar retinaculum.4.Moderate/large joint effusion.