Abstract
Dysplastic acetabula treated with cemented sockets have shown shortcomings due to loosening, bone erosion, and implant migration. A Bateman bipolar prosthesis was used, and the deficient superior acetabular lip was augmented with autologous femoral head graft. The surgical technique "locked" the bipolar cup in the reconstructed acetabulum. In a prospective clinical analysis, 21 hips were followed for a mean of 47 months. Results were excellent or good in 13 hips, fair in eight, and poor in none. Cementing the femoral component led to improved results. Migration of the cup was not a major problem. All grafts united, and none resorbed.
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