Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
Schiller, C; Windhager, R; Fellinger, EJ; Salzer-Kuntschik, M; Kaider, A; Kotz, R.
Extendable tumour endoprostheses for the leg in children.
J Bone Joint Surg Br. 1995; 77(4):608-614
Doi: 10.1302/0301-620X.77B4.7615607
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- Co-Autor*innen der Med Uni Graz
- Windhager Reinhard
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- Abstract:
- From 1986 to 1991 we fitted 20 children with endoprostheses after resection of malignant bone tumours of the leg; six have reached skeletal maturity and are the subject of this study. Reconstruction of defects in growing limbs in which the eventual shortening can be predicted requires the use of extendable prostheses. The mean age at operation was 11 years (9.2 to 13.7) and the average follow-up period was 6.3 years (4.3 to 7.6). The diagnosis was osteosarcoma in five patients and Ewing's sarcoma in one. All tumours were Enneking stage-IIB. When seen for follow-up all patients were free from disease. The extendable implants used included the Pafford-Lewis prosthesis and the Kotz Modular Femur Tibia Reconstruction system with a compatible, newly-designed growth module. Telescope-like elongation of the prostheses was performed by insertion of a screwdriver through a small skin incision. Active epiphyseal growth in the adjacent growth plate was preserved by using prosthetic stems with a smooth surface. The mean length gained was 13.15 cm (4.5 to 19.5) requiring 53 planned procedures. Seven revision operations were necessary for complications. Functional evaluation showed excellent and good results in all cases. Stress-shielding at the site of anchorage of the prosthesis was more pronounced than in adults. Implantation of extendable endoprostheses in children provides a reasonable alternative to rotationplasty, but limb salvage requires more operations.
- Find related publications in this database (using NLM MeSH Indexing)
- Adolescent -
- Bone Neoplasms - physiopathology Bone Neoplasms - surgery
- Bone Remodeling -
- Child -
- Female -
- Femoral Neoplasms - physiopathology Femoral Neoplasms - surgery
- Humans -
- Male -
- Osteosarcoma - physiopathology Osteosarcoma - surgery
- Prostheses and Implants -
- Sarcoma, Ewing - physiopathology Sarcoma, Ewing - surgery
- Tibia -
- Treatment Outcome -