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  • Title: Hemipelvic allograft reconstruction after periacetabular bone tumor resection.
    Author: Yoshida Y, Osaka S, Mankin HJ.
    Journal: J Orthop Sci; 2000; 5(3):198-204. PubMed ID: 10982657.
    Abstract:
    We reviewed the results of 19 patients with hemipelvic allograft reconstructions after periacetabular tumor resection at Massachusetts General Hospital from 1977 to 1996. Histological diagnosis showed chondrosarcoma (in 7 patients), osteosarcoma in 5, and other tumors in 7. Seventeen patients were continuously disease-free for 12-228 months (mean, 57 months). One patient died of sepsis caused by wound infection after surgery for local recurrence. Results of evaluation (by the Mankin scale) in the 19 patients were: excellent in 1, good in 6, fair in 5, and failure in 7. Of the 19 patients, 5 (28%) had wound infection, and 3 patients had local recurrence. Allograft fracture was observed in 1 patient. Allograft and bipolar prosthesis were used in 11 patients, and migration of the bipolar prosthesis was observed in 4 of these patients. In 7 patients the femoral head was preserved; 2 patients received total hip arthroplasty because of osteoarthrosis in the hip joint or collapsed allograft. Migration of the bipolar prosthesis, with eventual osteoathrosis in the hip joint was also observed. However, hemipelvic allograft was thought to be an alternative useful reconstruction method despite the unresolved problems of loosening, dislocation, and breakage of the custom-made prosthetic hemipelvis.
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