Persistent knee pain MENISCI: There is obliquely oriented tearing of the posterior horn of the lateral meniscus which extends to the tibial articular surface. This tearing extends into the body and there is abnormal morphology and signal intensity of the anterior horn indicating additional tearing.There is abnormal signal intensity within the posterior horn of the medial meniscus indicating the presence of an undersurface tear. The anterior horn and body of the medial meniscus are intact.ARTICULAR CARTILAGE AND BONE: There is severe loss of the articular cartilage of the lateral compartment with areas of full-thickness loss particularly along the lateral femoral condyle anteriorly as well as the nonweightbearing portion posteriorly. Similar articular cartilage loss is seen along the tibial plateau and there is degenerative subchondral edema evident within the lateral compartment.There is moderate articular cartilage thinning of the medial compartment but no discrete full-thickness tear is appreciated.There is severe articular cartilage loss of the patellofemoral compartment with areas of full-thickness loss involving both the medial and lateral facets. The articular cartilage of the femoral trochlea also appears thinned. There is degenerative marrow changes in the undersurface of the patella particularly inferiorly.There are large tricompartmental osteophytes.LIGAMENTS: No significant abnormality noted. EXTENSOR MECHANISM: No significant abnormality noted.ADDITIONAL
1. Complex tear of the lateral meniscus with mild undersurface tearing of the medial meniscus.2. Severe articular cartilage loss of the lateral and patellofemoral compartments with more moderate changes noted medially.