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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1109/TUFFC.2023.3316120
|2 doi
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|a pubmed24n1588.xml
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|a (DE-627)NLM362103798
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|a (NLM)37713228
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Yang, Jing
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Superharmonic and Microultrasound Imaging With Plane Wave Beamforming Techniques
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 06.11.2023
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|a Date Revised 02.11.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Superharmonic contrast imaging (SpHI) suppresses tissue clutter and allows high-contrast visualization of the vasculature. An array-based dual-frequency (DF) probe has been developed for SpHI, integrating a 21-MHz, 256-element microultrasound imaging array with a 2-MHz, 32-element array to take advantage of the broadband nonlinear responses from microbubble (MB) contrast agents. In this work, ultrafast imaging with plane waves was implemented for SpHI to increase the acquisition frame rate. Ultrafast imaging was also implemented for microultrasound B-mode imaging (HFPW B-mode) to enable high-resolution visualization of the tissue structure. Coherent compounding was demonstrated in vitro and in vivo in both imaging modes. Acquisition frame rates of 4.5 kHz and 187 Hz in HFPW B-mode imaging were achieved for imaging up to 21 mm with one and 25 angles, respectively, and 3.5 kHz and 396 Hz in the SpHI mode with one and nine coherently compounded angles, respectively. SpHI images showed suppression of tissue clutter prior to and after the introduction of MBs in vitro and in vivo. The nine-angle coherently compounded 2-D SpHI images of contrast-filled flow channel showed a contrast-to-tissue ratio (CTR) of 26.0 dB, a 2.5-dB improvement relative to images reconstructed from 0° steering. Consistent with in vitro imaging, the nine-angle compounded 2-D SpHI of a Lewis lung cancer tumor showed a 2.6-dB improvement in contrast enhancement, relative to 0° steering, and additionally revealed a region of nonviable tissue. The 3-D display of the volumetric SpHI data acquired from a xenograft mouse tumor using both 0° steering and nine-angle compounding allowed the visualization of the tumor vasculature. A small vessel visible in the compounded SpHI image, measuring around [Formula: see text], is not visualized in the 0° steering SpHI image, demonstrating the superiority of the latter in detecting fine structures within the tumor
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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| 650 |
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4 |
|a Research Support, N.I.H., Extramural
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| 700 |
1 |
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|a Cherin, Emmanuel
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yin, Jianhua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dayton, Paul A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Foster, F Stuart
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Demore, Christine E M
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t IEEE transactions on ultrasonics, ferroelectrics, and frequency control
|d 1986
|g 70(2023), 11 vom: 01. Nov., Seite 1442-1456
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
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| 773 |
1 |
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|g volume:70
|g year:2023
|g number:11
|g day:01
|g month:11
|g pages:1442-1456
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|u http://dx.doi.org/10.1109/TUFFC.2023.3316120
|3 Volltext
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|h 1442-1456
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