Fig. 1. 21-year-old man with chronic tear of anterior talofibular ligament (ATFL) and deltoid ligament.

A. Axial proton-weighted turbo spin echo (TSE) magnetic resonance (MR) image showing torn ATFL (arrows). B. Oblique coronal proton-weighted TSE MR image showing loose, thin superficial deltoid ligament (arrow). Deep posterior tibiotalar ligament is thickened with loss of striation. C. On arthroscopy, injury of superficial (not visible on this figure) and deep deltoid ligament (arrow) with widening of medial mortise (double arrow) were seen. Patient underwent modified Broström operation and repair of superficial deltoid ligament. MM = medial malleolus, Ta = medial talus