Reconstruction with massive allograft bone for osteosarcoma of the middle tibia with limb salvage

doi:10.3969/j.issn.2095-4344.2014.39.026

Abstract

Abstract:

BACKGROUND: There are many complications of limb salvage surgery in patients with osteosarcoma of the middle tibia, and the limb salvage surgery is one of the current difficulties in clinical treatment.

OBJECTIVE: To evaluate the clinical efficacy of reconstruction with massive allograft bone for osteosarcoma of the middle tibia by retrospectively reviewing relevant cases.

METHODS: Seven patients with osteosarcoma of the middle tibia were treated. And we analyzed their clinical data retrospectively. All patients completed the formal preoperative adjuvant chemotherapy and we confirmed that there was no distant metastasis before surgery. All patients received large allogeneic bone transplantation and internal fixation, and the gastrocnemius muscle flap coveraged graft bone in surgery. The average length of allogeneic bone was 12.5 cm. Five patients received postoperative adjuvant chemotherapy completely, and two patients received partly.

RESULTS AND CONCLUSION: The follow-up period was 18-36 months. One patient had local tumor recurrence at 1 year after transplantation, and died of lung metastases after amputation. One patient survived after resection of lung metastases that occurred at 1.5 years after transplantation. One patient died of lung metastases at 2 years after transplantation. The rest four patients were tumor-free. The mean Musculoskeletal Tumor Society (MSTS) score was 26.5, the mean International Society of Limb Salvage (ISOLS) graft score was 31. Among four underage patients, one had leg length deformities, with limb shortening 2 cm. There were no postoperative infections and pathological fractures. Using large allogeneic bone for the repair of bone defects after tumor surgery of the middle tibia can have a good clinical efficacy under the premise of strict indications. Using gastrocnemius muscle flap to cover the bone graft during surgery is an effective measure to reduce postoperative complications.

中国组织工程研究杂志出版内容重点：生物材料；骨生物材料; 口腔生物材料; 纳米材料; 缓释材料; 材料相容性；组织工程

全文链接：

Key words: tibia, osteosarcoma, transplantation, homologous

CLC Number:

R318

Tian Zhi-chao, Cai Qi-qing, Gao Song-tao, Zhao Yao, Wang Jia-qiang, Yao Wei-tao. Reconstruction with massive allograft bone for osteosarcoma of the middle tibia with limb salvage[J]. Chinese Journal of Tissue Engineering Research, 2014, 18(39): 6381-6385.

Figures/Tables 4

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