PMC4756085_01
Hip radiograph made 21 years after the Lord primary THA, showing a well-fixed Lord primary stem with signs of stress shielding of the proximal femur, and osteolysis of the great trochanter. At 9 years after the revision of the Lord primary acetabular cup, it was seen a stable fixation of the acetabular revision prosthesis.
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Acetabulum bone allografts were incorporated, femoral stem was osseointegrated (Fig. 2).
Hip radiograph made 31 years after the Lord primary THA. The femoral stem presented a solid fixation, with proximal osteolysis and no pain. Stable acetabular revision prosthesis with signs of wear of the polyethylene cup, 19 years after de acetabular revision surgery.
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However, the femoral stem continued stable, with no measurable subsidence or radiolucent lines around the stem (Fig. 3).