Table of Contents
ISRN Biomedical Imaging
Volume 2013 (2013), Article ID 894153, 5 pages
http://dx.doi.org/10.1155/2013/894153
Research Article

Study of the Effects of Changing Physiological Conditions on Dielectric Properties of Breast Tissues

1Department of Biomedical Engineering, Ecole Polytechnique de Montreal, Montreal, QC, Canada
2Department of Electrical Engineering, College of Engineering and Mines, University of North Dakota, Grand Forks, ND, USA
3Oncology Department, The University of Texas Health Science Center at Tyler, Tyler, TX, USA
4Department of Pathology, University of North Dakota, Grand Forks, ND, USA

Received 18 June 2013; Accepted 10 July 2013

Academic Editors: Z. Dai, R. Guldiken, and W. Han

Copyright © 2013 Abas Sabouni et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

This paper addresses the changes in the physical characteristics (temperature and water/blood content) of breast tissue under different physiological conditions. We examined ex vivo specimens of breast tissue excised at the time of surgery to study the effects of physiological conditions on dielectric properties. We observed that the dielectric properties strongly depend on tissue physiological state. When the biological tissues undergo physiological changes, such as those due to disease or those induced by external changes such as variations in the environmental temperature, the microscopic processes deviate from their normal state and impact the overall dielectric properties. This suggests that microwave imaging might be used to monitor the physiological conditions of the body.