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KMID : 0613320110170020073
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Journal of the Korean Bone and Joint Tumor Soceity
2011 Volume.17 No. 2 p.73 ~ p.78
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Allogeneic Inlay Cortical Strut Grafts for Large Cysts or Post-curettage Cavitary Bony Defects
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Chung Yang-Guk
Kang Yong-Koo
Kim Chol-Jin
Lee An-Hi
Park Jeong-Mi
Park Won-Jong
Yoo Hyun-Ho
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Abstract
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Purpose: This study was aimed to evaluate the result of inlay cortical strut bone grafts for large cysts or cavitary bone lesions in long bones.
Materials and Methods: Seven patients with large cyst or cavitary bony lesions were managed with curettage, allogeneic inlay cortical strut and cancellous bone grafts. Additional plate and screw fixations were performed in 6 patients. There were three SBCs, two FDs with secondary ABC changes, one FD and one post-cement spacer removal state. Three of them had pathologic fractures. Progression of bone healing and mechanical support and functional result were evaluated. The mean follow-up period was 25.4 months.
Results: Incorporations into host bones were progressed in all, average 4.2 months in six metaphyseal regions and 5.8 months in five diaphyseal regions respectively. Full structural supports were achieved in all except one patient without any additional procedures. No allograft-related complication was developed. Mean functional score according to the MSTS criteria was 29.6 at last follow up.
Conslusion: Inlay cortical strut graft provided additional mechanical stability and bone stock for screw purchase in large cyst or cavitary defects of long bones, which allow early mobilization and excellent functional outcome.
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KEYWORD
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bone cyst, cavitary bone defect, allogeneic inlay cortical strut bone graft, bone incorporation, biomechanical support
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