Surface impedance based microwave imaging method for breast cancer screening: contrast-enhanced scenario

被引：19

作者：

Guren, Onan ^{[1
]}

Cayoren, Mehmet ^{[1
]}

Ergene, Lale Tukenmez ^{[1
]}

Akduman, Ibrahim ^{[1
]}

机构：

[1] Istanbul Tech Univ, Elect & Elect Fac, TR-34469 Istanbul, Turkey

来源：

PHYSICS IN MEDICINE AND BIOLOGY | 2014年 / 59卷 / 19期

关键词：

microwave imaging; breast cancer screening; surface impedance; REALISTIC NUMERICAL BREAST; DIELECTRIC-PROPERTIES; SCATTERING PROBLEMS; LARGE-SCALE; SURGERIES; PHANTOMS; TISSUES; OBJECTS; SYSTEM;

D O I：

10.1088/0031-9155/59/19/5725

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

A new microwave imaging method that uses microwave contrast agents is presented for the detection and localization of breast tumours. The method is based on the reconstruction of breast surface impedance through a measured scattered field. The surface impedance modelling allows for representing the electrical properties of the breasts in terms of impedance boundary conditions, which enable us to map the inner structure of the breasts into surface impedance functions. Later a simple quantitative method is proposed to screen breasts against malignant tumours where the detection procedure is based on weighted cross correlations among impedance functions. Numerical results demonstrate that the method is capable of detecting small malignancies and provides reasonable localization.

引用

页码：5725 / 5739

页数：15

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