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In order to analyze the value of various methods of treatment and to recognize the prognostic factors for tarsometatarsal fracture-dislocation, 16 patients (17 cases) were reviewed. The average follow I.p was 21 months (range: 12 months to 36 months). All cases were classified radiologically by Hardcastle´s method. There were 3 cases in type A, 12 cases in type B, and 2 cases in type C. Ten cases were treated with open reduction and internal fixation, seven cases were treated with closed reduction and percutaneous pinning. Functional results were evaluated with Hardcastle´s criteria, 6 had good results and 11 fair. In ten cases treated with open reduction, 3(30%) had good results and 7(70%) fair, whereas 2(28.6%) had good result and 5(71.4%) fair in seven cases treated with closed reduction. When the results were assessed according to the type of injury, 6(50%) had good results and 6(50%) fair in type B, whereas all cases had fair results in type A and C. In conclusion, tarometatarsal fracture-dislocation was more frequently seen in active adult males and associated with other injuries. The anatomic reduction and its maintenance seem to lead to the good results. It was thought that prognosis after anatomic reduction might be dependent on the type of injury.
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