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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1109/TUFFC.2013.2865
|2 doi
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|a pubmed24n0777.xml
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|a (NLM)24297031
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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 Kuenen, Maarten P J
|e verfasserin
|4 aut
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| 245 |
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|a Spatiotemporal correlation of ultrasound contrast agent dilution curves for angiogenesis localization by dispersion imaging
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|c 2013
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 18.07.2014
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|a Date Revised 28.11.2016
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|a published: Print
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|a Citation Status MEDLINE
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|a The major role of angiogenesis in cancer development has driven many researchers to investigate the prospects of noninvasive cancer imaging based on assessment of microvascular perfusion. The limited results so far may be caused by the complex and contradictory effects of angiogenesis on perfusion. Alternatively, assessment of ultrasound contrast agent dispersion kinetics, resulting from features such as density and tortuosity, has shown a promising potential to characterize angiogenic effects on the microvascular structure. This method, referred to as contrast-ultrasound dispersion imaging (CUDI), is based on contrast-enhanced ultrasound imaging after an intravenous contrast agent bolus injection. In this paper, we propose a new spatiotemporal correlation analysis to perform CUDI. We provide the rationale for indirect estimation of local dispersion by deriving the analytical relation between dispersion and the correlation coefficient among neighboring time-intensity curves obtained at each pixel. This robust analysis is inherently normalized and does not require curve-fitting. In a preliminary validation of the method for localization of prostate cancer, the results of this analysis show superior cancer localization performance (receiver operating characteristic curve area of 0.89) compared with those of previously reported CUDI implementations and perfusion estimation methods
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|a Letter
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|a Research Support, Non-U.S. Gov't
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|a Contrast Media
|2 NLM
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| 700 |
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|a Saidov, Tamerlan A
|e verfasserin
|4 aut
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|a Wijkstra, Hessel
|e verfasserin
|4 aut
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| 700 |
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|a de la Rosette, Jean J M C H
|e verfasserin
|4 aut
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|a Mischi, Massimo
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on ultrasonics, ferroelectrics, and frequency control
|d 1986
|g 60(2013), 12 vom: 28. Dez., Seite 2665-9
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
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| 773 |
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|g volume:60
|g year:2013
|g number:12
|g day:28
|g month:12
|g pages:2665-9
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|u http://dx.doi.org/10.1109/TUFFC.2013.2865
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