Development of radiofrequency ultrasound based method for elasticity characterization using low frequency endogenous motion: phantom study

被引：0

作者：

Sakalauskas, A. ^{[1
]}

Jurkonis, R. ^{[1
]}

Gelman, S. ^{[2
]}

Lukosevicius, A. ^{[1
]}

Kupcinskas, L. ^{[2
]}

机构：

[1] Kaunas Univ Technol, Biomed Engn Inst, K Barsausko 59-455, Kaunas, Lithuania

[2] Lithuanian Univ Hlth Sci, Med Acad, Gastroenterol Dept, Kaunas, Lithuania

来源：

EMBEC & NBC 2017 | 2018年 / 65卷

关键词：

Agar; strain; tracking; contrast-to-noise; ELASTOGRAPHY;

D O I：

10.1007/978-981-10-5122-7_119

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

This paper presents developed radiofrequency (RF) ultrasound based strain elastography imaging method, which operates and could be adjusted in frequency domain. The method was verified by using agar-based tissue mimicking substitute. The phantom had 7 kPa stiffness background material and two inclusions of different stiffness 15 and 30 kPa. The displacements in the phantom material were induced by hand. The obtained strain contrast-to-noise ratio between the background material and two inclusions is 1.32 and 1.50 respectively. These results confirm the differentiation power of the method characterizing relative elasticity in-vitro.

引用

页码：474 / 477

页数：4

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