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- W2112949784 abstract "<h2>Abstract</h2> High-intensity focused ultrasound allows for minimally invasive, highly localized cancer therapies that can complement surgical procedures or chemotherapy. For high-intensity focused ultrasound interventions in the upper abdomen, the thoracic cage obstructs and aberrates the ultrasonic beam, causing undesired heating of healthy tissue. When a phased array therapeutic transducer is used, such complications can be minimized by applying an apodization law based on analysis of beam path obstructions. In this work, a rib detection method based on cavitation-enhanced ultrasonic reflections is introduced and validated on a porcine tissue sample containing ribs. Apodization laws obtained for different transducer positions were approximately 90% similar to those obtained using image analysis. Additionally, the proposed method provides information on attenuation between transducer elements and the focus. This principle was confirmed experimentally on a polymer phantom. The proposed methods could, in principle, be implemented in real time for determination of the optimal shot position in intercostal high-intensity focused ultrasound therapy." @default.
- W2112949784 created "2016-06-24" @default.
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- W2112949784 date "2015-06-01" @default.
- W2112949784 modified "2023-10-16" @default.
- W2112949784 title "Cavitation-Enhanced Back Projection for Acoustic Rib Detection and Attenuation Mapping" @default.
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- W2112949784 doi "https://doi.org/10.1016/j.ultrasmedbio.2015.01.024" @default.
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