59-year-old female with left knee pain. Intra-articular loose body is noted within the posterior aspect of the left knee joint as seen on prior MRI. No joint effusion is evident. Cortical depression along the anterior lateral femoral condyle appearing similar to prior MRI.Mild to moderate osteoarthritis changes affect both knees with medial joint space narrowing and tricompartmental osteophyte formation. No acute fracture or malalignment is evident.
1. Mild to moderate osteoarthritis with no acute fracture or malalignment.2. Intra-articular loose body within the left knee joint as well as a lateral femoral notch sign similar to prior MRI.