Archives of Plastic Surgery

Korean Society of Plastic and Reconstructive Surgeons (대한성형외과학회)
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A Size Change of Bone Defect Area after Autogenous Calvarial Bone Graft

자가 머리뼈 이식 후 뼈결손부의 면적 변화

  • Hyun, Kyung Bae (Institute of Human Tissue Restoration, Department of Plastic and Reconstructive Surgery, Yonsei University College of Medicine) ;
  • Kim, Dong Suk (Department of Neurosurgery, Yonsei University College of Medicine) ;
  • Yoo, Sun Kook (Department of Medical Engineering, Yonsei University College of Medicine) ;
  • Kim, Hee Joung (Department of Diagnostic Radiology, Yonsei University College of Medicine) ;
  • Kim, Yong Oock (Institute of Human Tissue Restoration, Department of Plastic and Reconstructive Surgery, Yonsei University College of Medicine) ;
  • Park, Be-young Yun (Institute of Human Tissue Restoration, Department of Plastic and Reconstructive Surgery, Yonsei University College of Medicine)
  • 현경배 (연세대학교 의과대학 인체조직복원연구소, 성형외과학교실) ;
  • 김동석 (연세대학교 의과대학 신경외과학교실) ;
  • 유선국 (연세대학교 의과대학 의학공학교실) ;
  • 김희중 (연세대학교 의과대학 진단방사선과학교실) ;
  • 김용욱 (연세대학교 의과대학 인체조직복원연구소, 성형외과학교실) ;
  • 박병윤 (연세대학교 의과대학 인체조직복원연구소, 성형외과학교실)
  • Received : 2005.03.09
  • Published : 2005.07.10
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Abstract

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 $612.9mm^2$ and $441.5mm^2$, respectively, which became $1028.1mm^2$ and $268.8mm^2$, 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.

Keywords

Acknowledgement

Supported by : 한국과학재단

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