Document Detail


Effect of postoperative radiation therapy on mandibular reconstruction using a modular endoprosthesis - A pilot study.
MedLine Citation:
PMID:  23360799     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The endoprosthetic system has been shown to be a potential option for mandibular reconstruction. The objective of this pilot in vivo animal study was to determine the effects of postoperative radiation using brachytherapy on bone and soft tissue healing in mandibles reconstructed with the endoprosthesis. Six adult Macaca fascicularis mandibles were reconstructed with a cemented endoprosthesis after segmental body resection. The animals were divided into two groups. The test group was subjected to radiation therapy 1 month postoperation while the control group did not receive any radiation. Results showed no major radiation side effects. Mucosal ulcerations and wound dehiscence at the radiated sites healed within 4 weeks. One animal from each group had prosthesis failure and was unable to complete the study. Micro-CT findings indicated no significant differences between the total bone volume percentage (TBV%) of the study and control groups. Histomorphometrical analysis using grading scales also showed no significant differences between the two groups. Under the study conditions, postoperative brachytherapy did not affect the tissue response around the endoprosthesis within the early 6 months postradiation period. The endoprosthesis, therefore, remains a viable reconstructive option when postoperative radiation is prescribed.
Authors:
Kok Weng Lye; Francis Kuok Choon Chin; Henk Tideman; Matthias A W Merkx; John A Jansen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-26
Journal Detail:
Title:  Journal of cranio-maxillo-facial surgery : official publication of the European Association for Cranio-Maxillo-Facial Surgery     Volume:  -     ISSN:  1878-4119     ISO Abbreviation:  J Craniomaxillofac Surg     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8704309     Medline TA:  J Craniomaxillofac Surg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 European Association for Cranio-Maxillo-Facial Surgery. Published by Elsevier Ltd. All rights reserved.
Affiliation:
Department of Oral & Maxillofacial Surgery, National Dental Centre Singapore, 5 Second Hospital Avenue, Singapore 168938, Singapore. Electronic address: kokwenglye@yahoo.com.
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