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http://dx.doi.org/10.14316/pmp.2013.24.3.183

Development of Photoacoustic System for Breast Cancer Detection  

Lee, Soonhyouk (Department of Medical Science, School of Medicine, Ewha Womans University)
Ji, Yun-Seo (Department of Medical Science, School of Medicine, Ewha Womans University)
Lee, Rena (Department of Radiation Oncology, School of Medicine, Ewha Womans University)
Publication Information
Progress in Medical Physics / v.24, no.3, 2013 , pp. 183-190 More about this Journal
Abstract
Recently, the photoacoustic imaging system has been widely and intensively developed, and has been shown the possibility of diagnosis for early stage cancer. In this study, we developed a photoacoustic tomography imaging system with a commercial ultra sound device and a linear array probe. A tube phantom and a chicken breast phantom was made for the possibility of a system as a breast cancer detection. A moving average filter and a band pass filter with 3~6 MHz bandwidth were developed for background noise elimination before delay-and-sum beamforming algorithm was used for image reconstruction. As a result, we showed that some signal processing procedure before beamforming was effective for the photoacoustic image reconstruction.
Keywords
Photoacoustic tomography; Linear array transducer; Breast cancer;
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