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Allogeneic Inlay Cortical Strut Grafts for Large Cysts or Post-curettage Cavitary Bony Defects

거대 낭종성 골병소 또는 소파 후 잔유 골 결손부에 시행한 내재형 동종 피질 지주골 이식술

  • Chung, Yang-Guk (Department of Orthopedic Surgery, College of Medicine, The Catholic University of Korea) ;
  • Kang, Yong-Koo (Department of Orthopedic Surgery, College of Medicine, The Catholic University of Korea) ;
  • Kim, Chol-Jin (Department of Orthopedic Surgery, College of Medicine, The Catholic University of Korea) ;
  • Lee, An-Hi (Department of Pathology, College of Medicine, The Catholic University of Korea) ;
  • Park, Jeong-Mi (Department of Radiology, College of Medicine, The Catholic University of Korea) ;
  • Bahk, Won-Jong (Department of Orthopedic Surgery, College of Medicine, The Catholic University of Korea) ;
  • Yoo, Hyun-Ho (Department of Orthopedic Surgery, College of Medicine, The Catholic University of Korea)
  • 정양국 (가톨릭대학교 의과대학 정형외과학교실) ;
  • 강용구 (가톨릭대학교 의과대학 정형외과학교실) ;
  • 김철진 (가톨릭대학교 의과대학 정형외과학교실) ;
  • 이안희 (가톨릭대학교 의과대학 병원병리학교실) ;
  • 박정미 (가톨릭대학교 의과대학 영상의학교실) ;
  • 박원종 (가톨릭대학교 의과대학 정형외과학교실) ;
  • 유현호 (가톨릭대학교 의과대학 정형외과학교실)
  • Received : 2011.11.19
  • Accepted : 2011.11.30
  • Published : 2011.12.30

Abstract

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. Conclusion: 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.

목적: 사지 장골의 거대한 골 낭종이나 소파술 후 남은 골 결손부에 시행한 "내재형 피질 지주골 이식술"의 치료결과를 평가하였다. 대상 및 방법: 사지 장골의 거대한 골 낭종이나 소파술 후 남은 골 결손부에 대하여 내재형 동종 피질 지주골과 동종 망상골 이식술을 시행한 7예를 대상으로 하였다. 6예에서는 추가적인 금속판 내고정술이 시행되었다. 원발병소는 단순 골낭종이 3예, 섬유성 이형성증에서 속발된 동맥류성 골낭종이 2예, 이전에 수술한 골시멘트를 제거한 후 남은 골 결손이 1예, 섬유성 이형성증이 1예였다. 3예에서는 최초 내원시 병적 골절이 동반되어 있었다. 골 융합의 진행, 생역학적 지지기능 및 기능적 결과를 평가하였으며 평균 추시 기간은 25.4개월이었다. 결과: 전예에서 이식된 동종 피질 지주골은 숙주골과 융합되었으며 6예의 골간단부에서는 평균 4.2개월에, 5예의 골간부에서는 평균 5.8개월에 융합되었다. 부가적인 수술 등의 조치없이 7예 중 6예에서 생역학적 지지가 가능하였으며 동종골 이식과 직접 관련된 합병증은 발생하지 않았다. 최종 추시시 기능적 평가상 평균 29.6으로 우수한 결과를 보였다. 결론: 거대한 골 낭종이나 소파술 후 남은 골 결손부에 시행한 내재형 피질 지주골 이식술은 추가적인 생역학적 안정성과 나사못 고정의 골지주판을 제공하여 조기거동과 우수한 기능적 결과를 가능하게 하였다.

Keywords

References

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