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KMID : 0358820050320040467
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Journal of Korean Society of Plastic and Reconstructive Surgeons
2005 Volume.32 No. 4 p.467 ~ p.473
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A Size Change of Bone Defect Area after Autogenous Calvarial Bone Graft
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현경배/Hyun KB
김동석/유선국/김희중/김용욱/박병윤/Kim DS/Yoo SK/Kim HJ/Kim YO/Park BY
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Abstract
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Calvarial bone grafting in craniomaxillofacial trauma and facial reconstructive surgery is now widely recognized and accepted as a standard procedure. One of the commonly reported problems of calvarial bone graft is the contour defect caused by partial resorption of the graft. But, there are few reports that discuss the fate of the calvarial bone graft based on the quantitative data. In this article, the changes of grafted calvarial bone were evaluated using 3-dimensional computed tomography(CT). 9 patients were observed with the CT scans at 2mm thickness immediately after operation and at the time of last follow-up. The area of the bone defect was segmented on the 3-dimensional CT image and calculated by AnalyzeDirect 5.0 software. The immediate postoperative bone defect area of the recipient site and the donor site were 612.9mm² and 441.5mm², respectively, which became 1028.1mm² and 268.8mm², respectively at the last follow-up. In conclusion, the bone defect area was less increased on the donor site of calvarial bone graft than on the recipient site. And the CT scan is a valuable imaging method to assess and follow-up the clinical outcome of calvarial bone grafting.
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KEYWORD
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