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At least 91 records · Page 5Linked to original sources
PubMed2006

Endoprosthetic and allograft-prosthetic composite reconstruction of the proximal femur for bone neoplasms.

UNLABELLED: Reconstruction of the proximal femur after tumor resection can be achieved with either an endoprosthesis or an allograft-prosthetic composite. We compared the two modalities for complications, functional outcome, and construct survival. We retrospectively analyzed 52 patients with endoprostheses and 20 with allograft-prosthetic composite reconstructions between 1974 and 2002. Median followup was 146 months and 76 months, respectively. Both methods were associated with low rates of early complications. Infections occurred in two patients with endoprostheses and one patient with an allograft-prosthetic composite reconstruction. Aseptic loosening was the most common (10%) late complication for patients with endoprostheses. Nonunion was the most common (10%) complication for patients with allograft prosthetic composite reconstructions. All host-allograft junctions eventually healed after bone-grafting. The Musculo skeletal Tumor Society scores were similar for patients with endoprostheses (70%) and allograft-prosthetic composites (82%). The median hip abductor strength was greater for patients with allograft-prosthetic composite reconstructions (4.6 of 5) than for patients with endoprostheses (2.8 of 5). Kaplan-Meier survivorship of the implant was 86% for both groups at 10 years. The consistent restoration of abductor muscle strength combined with the low morbidity and high durability support the use of allograft-prosthetic composite reconstruction in patients with long life expectancy. LEVEL OF EVIDENCE: Therapeutic study, Level IV (case series--no, or historical control group). See the Guidelines for Authors for a complete description of levels of evidence.

Adolescent↗
PubMed1979

[Surgical treatment of pelvic and femoral bones neoplasms].

The author has reported 42 operations on the pelvic girdle and femoral bones. Two new variants of surgical intervention are suggested: 1) interiliac-pubic-sciatic amputation of a lower extremity, and 2) extended exarticulation of the femur. Des keletization of pelvic bones in both operative procedures renders them more ablastic and radical as compared with routine operations. Interiliac-abdominal resection is felt to be more rational from the rehabilitation viewpoint, moreover it is the author's opinion that resection of the femoral proximal segment should be avoided whenever possible.

Bone Neoplasms↗
PubMed2000

Juxtacortical osteosarcoma. A distinct malignant bone neoplasm.

The purpose of this report is the study of a malignant bone tumor of similar histological picture with conventional (intramedullary) osteosarcoma. Contributing factors in the study of juxtacortical osteosarcoma are the clinical, X-ray and histologic pictures. A case of parosteal osteosarcoma in a 28-year-old male is reported. In conjuction with X-ray findings we review the histological characteristics of the tumor through serial sections of the peripheral, central and parosteal parts and the findings are described in detail. In addition to the histological findings, differential diagnosis and prognosis are also discussed. From the general study of the tumor it has been shown that juxtacortical osteogenic sarcoma behaves differently in contrast to classic osteosarcoma, depending on the degree of differentiation of the tumor.

Adult↗