Female 17 years old with worsening knee pain and weakness, 4-5 year duration, evaluate for ligament or soft tissue damagee MENISCI: The menisci are intact without significant abnormality noted.ARTICULAR CARTILAGE AND BONE: Small focus of cartilage and cortical discontinuity along the lateral facet of the femoral trochlea with increased central T2 signal as well as surrounding increased T2 and decreased T1 signal suggestive of an osteochondral defect. No intra-articular cartilage fragment identified. Mildly increased T2 signal is also noted within the lateral patellar facet suggestive of chondromalacia.LIGAMENTS: The ACL, LCL complex, MCL, and PCL are intact. EXTENSOR MECHANISM: No significant abnormality noted.ADDITIONAL
1. Chronic osteochondral defect along the lateral facet of the femoral trochlea.2. Chondromalacia of the lateral patellar facet.