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4 March 2013 Thermoacoustic imaging of fresh prostates up to 6-cm diameter
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Thermoacoustic (TA) imaging provides a novel contrast mechanism that may enable visualization of cancerous lesions which are not robustly detected by current imaging modalities. Prostate cancer (PCa) is the most notorious example. Imaging entire prostate glands requires 6 cm depth penetration. We therefore excite TA signal using submicrosecond VHF pulses (100 MHz). We will present reconstructions of fresh prostates imaged in a well-controlled benchtop TA imaging system. Chilled glycine solution is used as acoustic couplant. The urethra is routinely visualized as signal dropout; surgical staples formed from 100-micron wide wire bent to 3 mm length generate strong positive signal.
© (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
S. K. Patch, E. Hanson, M. Thomas, H. Kelly, K. Jacobsohn, and W. A. See "Thermoacoustic imaging of fresh prostates up to 6-cm diameter", Proc. SPIE 8581, Photons Plus Ultrasound: Imaging and Sensing 2013, 85812K (4 March 2013); doi: 10.1117/12.2001896;

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