A hemophiliac child with flexion contracture of the knee and symptoms of leg length difference was treated with a shoe lift on the affected side, which failed to aid the problem. Further investigation revealed that the affected limb was actually longer than the contralateral side. The chronic synovitis of the knee that had resulted in the contracture also caused supplementary bone growth around the distal femoral epiphysis, resulting in the lengthening of that leg.
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