Evaluate for left medial meniscal tear in a patient with left knee pain. MENISCI: The posterior horn of the medial meniscus appears blunted and there is a complex meniscal undersurface tear with both a vertical and horizontal component.ARTICULAR CARTILAGE AND BONE: Marked abnormality of the medial facet of the patella with fissuring, irregularity, and severe loss of cartilage of the whole medial facet. There is minimal bone marrow edema of the medial proximal tibia. There is marked loss of cartilage of the medial femoral condyle.LIGAMENTS: The ACL and PCL appear intact. The MCL and the ostial complex also appear intact. EXTENSOR MECHANISM: No significant abnormality noted.ADDITIONAL
1. Complex tear of the undersurface of the posterior horn of the medial meniscus.2. Marked osteoarthritis of the patellofemoral joint and marked loss of cartilage of the medial femoral condyle.