[Fracture of the hamate with carpometacarpal dislocation].

Hamate fractures are rare injuries, frequently associated to dislocation of the ring and little fingers at the hamate-metacarpal joint. Its diagnosis is difficult, leading to delays in diagnosis. A strong clinical suspicion and appropriated radiographic exams are essential. The authors present a series of three clinical cases of fracture of the unciforme with carpometacarpal dorsal dislocation of the 4 masculine and 5 masculine fingers. For each case, they discuss the diagnosis, radiographic study, treatment and prognostic.