Fig. 3From: Minimal pre-operative leg length discrepancy as a risk factor of post-operative leg length discrepancy after total hip arthroplasty: a retrospective study of patients with non-traumatic osteonecrosis of the femoral head(A) Preoperative hip radiograph with substantial leg length discrepancy (B) Hip radiograph at postoperative 6 weeks with minimal leg length discrepancy (C) Simple hip radiograph with minimal preoperative leg length discrepancy (D) Postoperative 6 weeks radiograph with leg length discrepancy more than 5Â mmBack to article page