16 year old status post patellar dislocation. MENISCI: The menisci are intact.ARTICULAR CARTILAGE AND BONE: No bone marrow edema. The articular cartilage is intact.LIGAMENTS: The cruciate and collateral ligaments are intact. EXTENSOR MECHANISM: The extensor mechanism is intact.ADDITIONAL
No evidence of an acute injury. However, there is an abnormally shallow trochlear groove which places the patient at risk for recurrent patellofemoral dislocations. 