Title |
An optimized ultrasound detector for photoacoustic breast tomography
|
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Published in |
Medical Physics, February 2013
|
DOI | 10.1118/1.4792462 |
Pubmed ID | |
Authors |
Wenfeng Xia, Daniele Piras, Johan C. G. van Hespen, Spiridon van Veldhoven, Christian Prins, Ton G. van Leeuwen, Wiendelt Steenbergen, Srirang Manohar |
Abstract |
Photoacoustic imaging has proven to be able to detect vascularization-driven optical absorption contrast associated with tumors. In order to detect breast tumors located a few centimeter deep in tissue, a sensitive ultrasound detector is of crucial importance for photoacoustic mammography. Further, because the expected photoacoustic frequency bandwidth (a few MHz to tens of kHz) is inversely proportional to the dimensions of light absorbing structures (0.5-10+ mm), proper choices of materials and their geometries and proper considerations in design have to be made to implement optimal photoacoustic detectors. In this study, we design and evaluate a specialized ultrasound detector for photoacoustic mammography. |
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