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KMID : 0613319970030010032
Journal of the Korean Bone and Joint Tumor Soceity
1997 Volume.3 No. 1 p.32 ~ p.38
Reconstruction with Extracorporeally Radiated Autogenous Bone Graft After Wide Resection of Bone Tumors
Lee Jong-Seok

Jeon Dae-Geun
Kim Sug-Jun
Lee Soo-Yong
Yang Hyun-Seok
Abstract
Purpose: For the reconstruction of large bone defect after tumor resection, it is possible to reuse the bone invloved by tumor with some treatment to it. Several bone-reusing methods have been reported such as autoclaving, low-hear treatment(pasteurization) and intraoperative radiotherapy. We have used extracorporeally radiated autogenous bone graft for reconstruction after tumor resection, and analyzed the periods for junctional union, functional results and complications to know the indications of this method.

Methods: From Dec. 1993 to Sept. 1995, nine patients had taken autogenous bone graft with extracorporeal irradiation. Eight cases were osteosarcoma and 2 giant cell tumor. The graft sites were 5 in femur, 3 proximal tiba and 1 femur and tibia. Stae 3 was 1 case(GCT), Stage IIIB 5. After wide resection, surrounding soft tissue nad intramedullary and extramedullary portion of the tumor were removed. Radiation was done in 5000cGy to the resected bone. Ender nails and bone cement were inserted and filed into the medulla to prevent fracture.

Results: : Average follow-up period was 12.3(4 to 21) months. Average junctional union period in simple X-ray was 6.5 months in 4 cases. Average functional score following Enneking`s criteria was 19(12-27). Complications were as follows ; condylar fractures and femur neck fracture in 4 cases, subluxation of the knee joint 3 and infection 1. Although local recurrence waw detected in 1 case, theh site of recurrence was not in the radiated bone but surrounding soft tissue. At final followup, no recurrence was found in one case(GCT), CDF 2, AWD 2, DOD 3, and died of chemotherapy related sepsis 1.

Conclusions: Extracorporeally radiated bone autograft is considered to be a method for reconstruction of the large bone defect made by tumor resection, especially in the reconstruction around the joint.
KEYWORD
Bone tumor, Radiation, Reconstruction
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