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首页> 外文会议>SPIE Conference on Biomedical Applications in Molecular, Structural, and Functional Imaging >Measuring Soft Tissue Elasticity by Monitoring Surface AcousticWaves Using Image Plane Digital Holography
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Measuring Soft Tissue Elasticity by Monitoring Surface AcousticWaves Using Image Plane Digital Holography

机译：通过使用图像平面数字全息术监测表面分流波测量软组织弹性

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The detection of tumors in soft tissues, such as breast cancer, is important to achieve at the earliest stages of the disease to improve patient outcome. Tumors often exhibit a greater elastic modulus compared to normal tissues. In this paper, we report our first study to measure elastic properties of soft tissues by mapping the surface acoustic waves (SAWs) with image plane digital holography. The experimental results show that the SAW velocity is proportional to the square root of elastic modulus over a range from 3.7-122kPa in homogeneous tissue phantoms, consistent with Rayleigh wave theory. This technique also permits detection of the interface of two-layer phantoms 10mm deep under surface and the interface depth by quantifying the SAW dispersion.
机译：在乳腺癌的软组织中检测肿瘤，在疾病的最早阶段来实现患者结果是重要的。与正常组织相比，肿瘤通常具有更大的弹性模量。在本文中，我们通过用图像平面数字全息术绘制表面声波（锯）来报告我们的第一研究来测量软组织的弹性性质。实验结果表明，锯旋速度与均匀组织幻影中3.7-122kPa的弹性模量的平方根成比例，与瑞利波理论一致。该技术还允许通过量化SAW分散来检测在表面下深度的两层幻影10mm的界面和接口深度。

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