Lateral patellar dislocation and bone marrow edema at the medial patellar facet and lateral femoral condyle.
Partial tear of the medial patellar retinacular / medial patellofemoral-tibial ligament. Some high signal within the inferomedial portion of the patellar cartilage, but no definite osteochondral defect. There is also a small microtrabecular fracture non-articular portion of the medial femoral condyle. Medial meniscal contusion but no tear. Background patella alta and trochlear dysplasia.