51-year-old female with knee pain and instability, rule out meniscal or ligamentous injury MENISCI: The menisci are intact bilaterallyARTICULAR CARTILAGE AND BONE: There is focal full-thickness cartilage loss along the medial femoral condyle measuring approximately 7 mm (ML) x 5 mm (AP). The articular cartilage of the lateral compartment is intact. There is severe narrowing at the patellofemoral articulation with bone on bone apposition as well as underlying edema and subchondral cysts in the patella and lateral aspect of the trochlea. There is full-thickness cartilage loss involving the patellar apex and lateral facet as well as the lateral aspect of the trochlea.LIGAMENTS: The ACL and PCL are intact. The medial and lateral collateral ligament complexes are intact. EXTENSOR MECHANISM: The extensor mechanism is intact.ADDITIONAL
Focal full-thickness defect in the articular cartilage along the lateral femoral condyle as well as severe osteoarthritis and cartilage loss at the patellofemoral articulation. The menisci and ligaments appear intact.