诊断癌性肿瘤的两种技术:光声成像和电激励热声断层成像——一种比较的数值方法

Maryam Ahangar Darband, E. Najafiaghdam
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引用次数: 1

摘要

本文对利用光声(PA)现象和电激发热声(TA)现象检测恶性肿瘤进行了数值研究和模拟。本报告是在小尺寸模拟乳腺组织。此外,还考虑了乳房的不同层数。因此,可以依靠结果数据的值和特征来比较两种方法。选择了一个单一的合适的模拟平台,这是市售的有限元软件(COMSOL®)。通过该平台,我们能够对这两种方法进行从增产到繁殖的连续模拟。所有需要的乳房和肿瘤的特征都是准确计算或从可靠的来源获得的。我们可以通过我们定义的场景更详细地研究由此产生的PA和TA波及其变化。
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Diagnosing Cancerous Tumor by Two Techniques: Photoacoustic Imaging and Thermoacoustic Tomography With Electric Excitation—A Numerical Approach For Comparison
A numerical study and simulation of cancerous tumor detection using the photoacoustic (PA) phenomenon and thermoacoustic (TA) with electric excitation is presented. This report was in small dimension of mimic breast tissue. Besides, the different layers of the breast were considered. Therefore, it was possible to rely on the values and characteristics of the resulting data in comparing two methods. A single suitable platform for simulating, which is commercially available Finite Element software (COMSOL®), has been selected. By using this platform, we were able to simulate these two methods from stimulation to propagation continuously. All required characteristics of breast and tumor were accurately calculated or obtained from a reliable source. We can study the resulting PA and TA wave and its changes in more detail by our defined scenarios.
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