Dorsal dislocation of the first metatarsophalangeal joint associated with fractured second metatarsal head.
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Traumatic dislocations of the first metatarsophalangeal joint were first described by Mouchet in 1931. The anatomical complexity of the first metatarsophalangeal joint makes this injury one of a kind. There have been a limited number of case reports of this injury. The ability to reduce the dislocation by nonoperative measures depends largely on the type of dislocation and involvement of the sesamoid complex. We report a case of a 35-year-old male with complete dorsal dislocation of the first metatarsophalangeal joint with second metatarsal head fracture. On review at 12 months he was pain free, fully mobile and pleased with the result. The papers principle message is that significant injuries to the metatarsophalangeal joint may be associated with fractures of adjacent bone segments, which may change diagnostic and therapeutic approaches. Also, the evolution of patients with this kind of injury after reduction is not well know today, at short, medium and long term. Thus could be considered to be a further development of Jahss's classification.