Circular antenna for breast ultrasonic diffraction tomography

被引：5

作者：

Lasaygues, P ^{[1
]}

Tanne, D ^{[1
]}

Mensah, S ^{[1
]}

Lefebvre, JP ^{[1
]}

机构：

[1] CNRS, UPR 7051, Lab Mecat & Acoust, F-13402 Marseille 20, France

来源：

ULTRASONIC IMAGING | 2002年 / 24卷 / 03期

关键词：

breast; circular antenna; ultrasonic diffraction tomography;

D O I：

10.1177/016173460202400304

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Compared to echography, which exploits only the reflected field, ultrasonic diffraction tomography improves image resolution by combining the total diffracted field. For breast cancer imaging, this improvement reinforces contrast between various breast tissues and structures by eliminating some interference phenomena such as speckle and then allowing parameterization of the images. Our work concerns the development of an experimental set-up for fast acquisition of the diffracted field and construction of two-dimensional tomographic images. For this purpose, we developed a multichannel ultrasound circular antenna with eight focused transducers.

引用

页码：177 / 189

页数：13

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