光学学报, 2011, 31 (3): 0317002, 网络出版: 2011-02-21   

基于MCVM研究真实前臂结构对光传输的影响

Influence of Real Forearm Structure on Light Transport Based on MCVM
作者单位
华中科技大学武汉光电国家实验室(筹)Britton Chance生物医学光子学研究中心, 湖北 武汉 430074
摘要
复杂生物组织中光传输的精确模拟一直是组织光学的研究热点。利用新近发布的光在体素化三维结构组织中传输的蒙特卡罗模拟软件(MCVM),采用目前国际上分辨率最高的人体结构数据集,模拟光在人体前臂组织中的传输,得到了组织中光吸收量的分布信息和空间分布特征,探讨了前臂组织的三维解剖结构对光传输和分布的影响。结果显示,三维解剖结构对光传输和分布有显著影响;相比于前人普遍采用光在多层组织中传输的蒙特卡罗模拟软件(MCML)和层状模型所得的模拟结果,能更真实地反映光的传输和分布。该研究可为光动力疗法(PDT)、红外疗法等光保健与治疗技术提供定量的参考信息,具有一定的临床价值。
Abstract
Accurate simulation of light propagation in complicated biological tissues has been a research focus of tissue optics. By utilizing the latest published Monte Carlo software-Monte Carlo modeling of photon migration in voxelized media(MCVM), with the human structure database of the highest resolution in the world. It is obtained the distribution of the absorption in the forearm and the effect on light transport and distribution. The results indicated that the three-dimensional anatomic structrue influences the light transport and distribution obviously, and the simulation results were much closer to the real state by comparing with the results obtained previously by MCML (the Monte Carlo Modeling of light transport in multi-layered tissues) and layered tissue model. So the analysis provide the guidance to optical health care techniques, such as photodynamic therary and infrared therapy.
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王安乐, 李婷, 邓勇, 谢添武, 刘谦, 骆清铭. 基于MCVM研究真实前臂结构对光传输的影响[J]. 光学学报, 2011, 31(3): 0317002. Wang Anle, Li Ting, Deng Yong, Xie Tianwu, Liu Qian, Luo Qingming. Influence of Real Forearm Structure on Light Transport Based on MCVM[J]. Acta Optica Sinica, 2011, 31(3): 0317002.

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