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13 March 2024 Photoacoustic elastography for evaluating elasticity change in post-treatment colorectal cancer
Sitai Kou, Haolin Nie, Yitian Zhang, Ahmed Eltahir, Quing Zhu
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Proceedings Volume PC12842, Photons Plus Ultrasound: Imaging and Sensing 2024; PC1284204 (2024) https://doi.org/10.1117/12.3003509
Event: SPIE BiOS, 2024, San Francisco, California, United States
Abstract
Post-treatment colorectal cancer tissue often contains fibrosis and edema in tumor bed, photoacoustic elastography is a good tool for evaluating the elasticity change in post treatment colorectal cancer, especially in ultrasonically homogeneous and hypoechogenic regions. We implemented photoacoustic elastography for post-treatment colorectal cancer, developed elasticity phantoms to simulate colon scanning to evaluate elasticity measurement accuracy, applied it in ex vivo tissue scan to evaluate the elasticity change with ultrasound and photoacoustic signal. Results demonstrated good correspondence between ultrasound and photoacoustic elasticity phantom measurements, and showed potential of elasticity measurement with a normal ex vivo colon scan.
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Sitai Kou, Haolin Nie, Yitian Zhang, Ahmed Eltahir, and Quing Zhu "Photoacoustic elastography for evaluating elasticity change in post-treatment colorectal cancer", Proc. SPIE PC12842, Photons Plus Ultrasound: Imaging and Sensing 2024, PC1284204 (13 March 2024); https://doi.org/10.1117/12.3003509
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KEYWORDS
Colorectal cancer
Elasticity
Photoacoustic spectroscopy
Elastography
Ultrasonography
Tissues
Cancer
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