QQ客服 官方微博 反馈留言

	激光诱导间质肿瘤热疗中的动态光热作用模型
	江世臣 ; 张学学 ; JIANG Shi-chen ; ZHANG Xue-xue
	2010-06-08 ; 2010-06-08
关键词	激光诱导间质肿瘤热疗(LITT) 光热作用 MonteCarlo模拟 生物传热 动态变化 laser-induced interstitial thermotherapy(LITT) photo-thermal interaction Monte Carlo simulation bioheat transfer dynamically-changing properties R730.5
其他题名	A Numerical Model of the Dynamic Photo-thermal Interaction Process During Laser-induced Interstitial Thermotherapy
中文摘要	考虑热疗过程中生物组织物性参数的动态变化,建立了描述激光诱导间质肿瘤热疗(LITT)过程中动态光热作用的二维物理数学模型。采用改进的Monte Carlo方法数值模拟了LITT中激光能量在非均质生物组织内的传输过程。基于Pennes生物传热方程和Arrhenius方程数值求解了组织内的温度分布和热损伤体积的变化,分析了光学物性参数、热物性参数及血液灌注率的动态变化对LITT过程的影响。数值模拟结果表明,组织的光学物性参数、热物性参数及血液灌注率的动态变化对于热损伤体积的变化具有重要的影响,应该在光热作用建模中予以考虑。; To describe the complex nonlinear process of laser tissue interactions,a two-dimensional mathematical model considering the dynamic changes in the physical tissue properties was developed here.A modified Monte Carlo method was developed to simulate photon transport in the tissue with a non-uniform optical property field.The finite volume method was used to numerically solve the Pennes bioheat equation to calculate the temperature distribution,and the Arrhenius equation was used to predict the thermal damage extent.The numerical results show that the dynamic changes in the optical properties,thermal properties and blood perfusion rate significantly affect the damage volume accumulation history in tissue and should be included in numerical simulations of the LITT treatment.; 国家自然科学基金资助项目(50276032)
语种	中文 ; 中文
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/50324]
专题	清华大学
推荐引用方式 GB/T 7714	江世臣,张学学,JIANG Shi-chen,等. 激光诱导间质肿瘤热疗中的动态光热作用模型[J],2010, 2010.
APA	江世臣,张学学,JIANG Shi-chen,&ZHANG Xue-xue.(2010).激光诱导间质肿瘤热疗中的动态光热作用模型..
MLA	江世臣,et al."激光诱导间质肿瘤热疗中的动态光热作用模型".(2010).

个性服务

查看访问统计

相关权益政策

暂无数据

收藏/分享

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。