Slipped Capital Femoral Epiphysis Treated with Laser Lithography Models. Report of Two Cases.:Report of Two Cases

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When treating the slipped capital femoral epiphysis, it is important to evaluate the head-shaft angle and the direction of the slipped femoral head. We have made laser lithography models of the slipped capital femoral epiphysis to recognize the exact shape of the hip joint. In this report we demonstrate using two cases the advantage of using this method in the treatment of this disease.Case 1: Y. O., an eleven-year-old boy with a chronic slipped capital femoral epiphysis. His head shaft angle was 55-degrees. We employed transtrochanteric rotational osteotomy of the femoral head.Case 2: an eleven-year-old boy with an acute episode of this disease. His headshaft angle was 30-degrees after traction. The epiphysis was fixed with two canulated pins.We demonstrated the advantage of this method in performing an osteotomy or in situ pinning. When carrying out an osteotomy, we could decide the degree of rotation and direction by using the laser lithography models. This method was useful when carrying out in situ pinning because it allowed us to evaluate the position and direction of pins.
西日本整形・災害外科学会の論文