Female 57 years old Reason: pain in right knee after jumping off a bus History: pain, swelling at right knee MENISCI: The lateral meniscus appears partially extruded. There is fraying of the inner edges of both menisci, lateral greater than medial.ARTICULAR CARTILAGE AND BONE: There is loss of the articular cartilage of the medial patellar facet. Focal degenerative changes in the medial aspect of the lateral tibial plateau with underlying cyst and bone marrow edema appearing most likely due to chronic degenerative changes although this could be worsened due to recent trauma. There is overlying cartilage thinning/defect.LIGAMENTS: Cruciate and collateral ligaments are intact. EXTENSOR MECHANISM: Extensor mechanism is intact.ADDITIONAL
Degenerative arthritic changes as described above, which could be exacerbated due to recent trauma. Fraying of the inner edges of the menisci.