16-year-old female with patellar dislocation, rule out loose body/chondral injury MENISCI: The menisci are intact.ARTICULAR CARTILAGE AND BONE: There is edema along the lateral aspect of the lateral femoral condyle which may suggest prior lateral patellar dislocation, however no kissing contusion of the medial facet of the patella is evident.The tibial tubercle to trochlear groove distance is normal measuring 15 mm. No evidence of trochlear dysplasia. The Insall-Salvati ratio is normal measuring 0.83LIGAMENTS: The ACL and PCL are intact. The medial and lateral collateral ligament complexes are intact. EXTENSOR MECHANISM: Extensor mechanism is intactADDITIONAL
Findings of prior lateral patellar dislocation. No underlying morphologic abnormalities of the patellofemoral joint are identified.