73-year-old male with ongoing pain in the left knee. MENISCI: The posterior horn of the medial meniscus is markedly disrupted with a small remnant remaining.ARTICULAR CARTILAGE AND BONE: There is loss of the hyaline cartilage along the surface of both the femur and tibia medially. There is is loss of hyaline cartilage along the medial facet of the patella. There is thinning along the lateral facet.There is significant bone marrow edema within both the femur and tibia in the medial compartment. There is a small amount of bone marrow edema within the patella centrally.LIGAMENTS: No significant abnormality noted. EXTENSOR MECHANISM: No significant abnormality noted.ADDITIONAL
Severe degenerative changes of the left knee as described above.