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《Journal of Clinical Otorhinolaryngology》 2006-13
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The application of 3D reconstruction of CT scans for the observation of the cochlear implanted electrode location

LIU Hanbo~1 FENG Yong~1 CHEN Dengming~2 CAI Xinzhang~1 HE Chufeng~1 (~1Department of Otolaryngology, Xiangya Hospital, Central South University,Changsha,410008,China;~2Department of Radiation,Xiangya Hospital,Central Soth University)  
Objective:To discuss the different methods of computed tomography (CT) scans and three dimensional reconstruction of inner ear with implanted electrodes, and to evaluate the value and image features of these methods.Method:Six cochlear implant (MEDEL Combi 40 +,Advanced Bionics ) recipients were involved in this study. The implanted electrodes of all patients were examined on the seventh postoperative day. The data of the CT scans was transferred to workstation for three-dimensional reconstruction by volum rendering (VR), average intensity projection(AIP) and surface shaded display (SSD).Result:The three methods of three dimensional reconstruction provided satisfactory image of implanted electrode including the shape and the spacial relationship of the electrode in the inner ear. The insertion depth of the electrode can be evaluated directly. Moreover , each of the electrode pairs can be identified clearly.Conclusion:Postoperative evaluation of the implanted electrode with three methods of CT scans with three dimentiond reconstruction of inner ear provide more accurate image of the spacial relationship of the electrode in the cochlear canal with direct demonstration of electrode insertion depth in the cochlea.
【Fund】: 国家自然科学基金资助项目(No:30271404 30470954);; “十五”国家攻关计划(No:2004BA720A18-02);; 国家973项目(No:2001CB510302)
【CateGory Index】: R764.35
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【Citations】
Chinese Journal Full-text Database 2 Hits
1 YAO Yiwen 1 ZHANG Daoxing 1 ZHANG Yuan 2 ( 1 Department of Otorhinolaryngology, First Affiliated Hospital of Dalian Medical University, Dalian 116011; 2Department of Radiology, First Affiliated Hospital, Dalian Medical University);Use X-ray or CR to evaluate the operation result of the cochlear implant[J];Journal of Clinical Otorhinolaryngology;2001-07
2 ZHU Jian, WEN Zhibo, NIE Shikun,et al. Department of Radiology, Zhujiang Hospital, No.1 Military Medical University, Guangzhou, Guangdong Province 510282, P. R. China;Imaging Evaluation of Multichannel Cochlear Implantation[J];Journal of Clinical Radilolgy;2002-10
【Co-citations】
Chinese Journal Full-text Database 2 Hits
1 LIU Bo, GAO Xiu-lai (Department of Anatomy, Capital University of Medical Sciences,Beijing 100054 China);Research and Application of Three-dimensional Reconstruction on Cochlea[J];Progress of Anatomical Sciences;2005-01
2 XIAO Lizhi,LI Yajun,HU Zhongjun,SUN Jianning,SITU Weijun(Department of Radiology,Second Xiangya Hospital,Cental South University,Changsha 410011,China);Temporal bone tomography for cochlear implantation[J];Journal of Central South University(Medical Sciences);2009-07
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Chinese Journal Full-text Database 7 Hits
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【Secondary Citations】
Chinese Journal Full-text Database 4 Hits
1 YAO Yiwen 1 ZHANG Daoxing 1 ZHANG Yuan 2 ( 1 Department of Otorhinolaryngology, First Affiliated Hospital of Dalian Medical University, Dalian 116011; 2Department of Radiology, First Affiliated Hospital, Dalian Medical University);Use X-ray or CR to evaluate the operation result of the cochlear implant[J];Journal of Clinical Otorhinolaryngology;2001-07
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