An Unusual Variety of Simultaneous Fracture Dislocation Pattern: Medial Swivel Dislocation of Talonavicular Joint with Displaced Fractures of the Fourth and Fifth Metatarsals

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Abstract

In published studies, a very rare, special type of Chopart dislocation termed a swivel dislocation has been reported. This injury is characterized by dislocation of the talonavicular joint, but the calcaneocuboid joint remains intact. The foot creates a typical rotational movement without inversion or eversion. The axis of rotation is the interosseous talocalcaneal ligament, which remains intact. We report the case of an 18-year-old male who had experienced a medial swivel dislocation of the talonavicular joint associated with displaced fractures of the fourth and fifth metatarsals. The occurrence, features, and method of treatment of this rare injury are presented.

Level of Clinical Evidence: 4

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