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Ultrasound elastography is an effective imaging modality to delineate thermally ablated regions after ablative liver tumor treatments. The image contrast is based on the difference in the Young's modulus of local tissue. In this work, we compared our previously introduced electrode displacement elastography (EDE) with a commercially available acoustic radiation force impulse imaging (ARFI) technique,...
We reconstruct the elastic modulus distribution for one tissue mimicking (TM) phantom and two in vivo biopsy-confirmed liver tumors using curvilinear ultrasound echo data. Spatial distribution of the relative elastic modulus values is determined by solving an inverse problem within a region of interest (ROI). This inverse problem solution requires knowledge of the ultrasonically measured displacement...
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