Female, 60 years old. Swelling and pain TENDONS: The tendons of the ankle are normal in appearance.LIGAMENTS: The anterior talofibular ligament is not well visualized, and there may be a few small fibers intact. The posterior talofibular ligament, calcaneofibular ligament, and the tibiofibular ligaments are intact.ARTICULAR SURFACES AND BONE: There is mild marrow edema involving the lateral malleolus. Bone marrow signal elsewhere is normal. There are small-moderate tibiotalar and subtalar joint effusions. ADDITIONAL
1.At least partial tearing of the anterior talofibular ligament. The remaining ligaments of the ankle appear intact.2.Small to moderate ankle joint effusion.