Complete tear of anterior talofibular ligament is seen with fluid in anterolateral gutter.
Low-grade sprain of posterior talofibular and calcaneofibular ligaments is seen with maintained continuity.
Anterior tibiofibular, posterior tibiofibular and interosseous ligaments appear intact.
Low-grade sprain of deep fibres of deltoid ligament is seen with subtle marrow oedema in medial aspects of adjacent talus.
Mild oedema is seen in sinus tarsi with possible low to intermediate grade sprain of cervical and interosseous ligaments.