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Finite Element Analysis of Radiofrequency Ablation Process in Soft Tissue Sarcomas
Zhang RM(张如美); Liu H(刘浩); Li HY(李洪谊)
作者部门机器人学研究室
会议名称2014 4th IEEE International Conference on Information Science and Technology
会议日期April 26-28, 2014
会议地点Shenzhen, China
会议录名称Proceedings of 2014 4th IEEE International Conference on Information Science and Technology
出版者IEEE
出版地Piscataway, NJ, USA
2014
页码358-363
收录类别EI ; CPCI(ISTP)
EI收录号20144700232529
WOS记录号WOS:000364968700085
产权排序1
ISBN号978-1-4799-4808-6
关键词Rf Ablation Soft Tissue Sarcomas Finite Element Method Temperature Distribution
摘要Soft tissue sarcomas which are serious hazard to human are aggressive and difficult to control. Traditional ways of treatment can bring great pain to the patients. Radiofrequency( RF) ablation has become a feasible and minimally invasive treatment for soft tissue sarcomas. However, there are few literatures to study the energy and temperature distributions in the sarcomas. In this paper, sarcomas simulation model was established based on the prototype of gastrointestinal stromal sarcoma. Parameters of electric and thermal properties of the sarcomas were set appropriately by considering its thermal sensitivity. Temperature of 323.15K is chosen as a border edge to evaluate the efficacy of RF ablatio. Results indicate that the maximum temperature point occurs at the apex of RF probe. Growth of temperature at the probe apex decreases with the increment of ablation time. In addition, a local maximum temperature point is presented at the interface of the sarcoma and muscle tissue, which is meaningful for RF ablation to keep the normal tissue undamaged. Effects of electrode insertion depth on the RF ablation were studied in this paper. Results indicate that area of tumor cell necrosis is expanded gradually with the increase of insertion depth and RF power radiated. However, the temperature of the apex of probe drops with the increasing of the depth inserted. As a result, probe insertion depth and RF ablation power must be cooperated to achieve desired RF ablation effect.
语种英语
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型会议论文
条目标识符http://ir.sia.cn/handle/173321/15396
专题机器人学研究室
作者单位1.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, Liaoning Province, China
2.University of Chinese Academy of Sciences, Beijing, China
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GB/T 7714
Zhang RM,Liu H,Li HY. Finite Element Analysis of Radiofrequency Ablation Process in Soft Tissue Sarcomas[C]. Piscataway, NJ, USA:IEEE,2014:358-363.
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