Luxación subastragalina lateral: presentación de un caso

background: subastragalar dislocation or isolated from astragalus is extremely rare, caused by high-energy trauma, producing serious disturbances in the biomechanics of the ankle with frequent complications which affect prognosis, mainly the lateral variety, often needing open reduction to restore the anatomical integrity of the ankle. clinical case: a 54 year-old man patient with a lateral subastragalar dislocation is presented, neurovascular alterations were identified and these were recovered after closed reduction, there were no associated fractures. conclusions: immediate closed reduction was performed and the ankle joint was immobilized with a short leg cast for 5 weeks in order to avoid or reduce the rate of early and late complications, which accompany this type lesion, mainly in this variety that show the worst results due to the complexity of anatomical damage.