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| Home > Publications database > An optimized b-value distribution for triexponential intravoxel incoherent motion (IVIM) in the liver. > print |
| 001 | 165942 | ||
| 005 | 20240229133515.0 | ||
| 024 | 7 | _ | |a 10.1002/mrm.28582 |2 doi |
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| 024 | 7 | _ | |a 0740-3194 |2 ISSN |
| 024 | 7 | _ | |a 1522-2594 |2 ISSN |
| 037 | _ | _ | |a DKFZ-2020-02493 |
| 041 | _ | _ | |a eng |
| 082 | _ | _ | |a 610 |
| 100 | 1 | _ | |a Riexinger, Andreas |0 0000-0002-6346-3526 |b 0 |
| 245 | _ | _ | |a An optimized b-value distribution for triexponential intravoxel incoherent motion (IVIM) in the liver. |
| 260 | _ | _ | |a New York, NY [u.a.] |c 2021 |b Wiley-Liss |
| 336 | 7 | _ | |a article |2 DRIVER |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1617963962_27826 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
| 336 | 7 | _ | |a JOURNAL_ARTICLE |2 ORCID |
| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 500 | _ | _ | |a 2021 Apr;85(4):2095-2108 |
| 520 | _ | _ | |a To find an optimized b-value distribution for reproducible triexponential intravoxel incoherent motion (IVIM) exams in the liver.A numeric optimization of b-value distributions was performed using the triexponential IVIM equation and 27 different IVIM parameter sets. Starting with an initially optimized distribution of 6 b-values, the number of b-values was increased stepwise. Each new b-value was chosen from a set of 64 predefined b-values based on the computed summed relative mean error of the fitted triexponential IVIM parameters. This process was repeated for up to 100 b-values. In simulations and in vivo measurements, optimized b-value distributions were compared to 4 representative distributions found in literature.The first 16 optimized b-values were 0, 0.3, 0.3, 70, 200, 800, 70, 1, 3.5, 5, 70, 1.2, 6, 45, 1.5, and 60 in units of s/mm2 . Low b-values were much more frequent than high b-values. The optimized b-value distribution resulted in a higher fit stability compared to distributions used in literature in both, simulation and in vivo measurements. Using more than 6 b-values, ideally 16 or more, increased the fit stability considerably.Using optimized b-values, the fit uncertainty in triexponential IVIM can be largely reduced. Ideally, 16 or more b-values should be acquired. |
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| 700 | 1 | _ | |a Martin, Jan |b 1 |
| 700 | 1 | _ | |a Wetscherek, Andreas |b 2 |
| 700 | 1 | _ | |a Kuder, Tristan Anselm |0 P:(DE-He78)59dfdd0ee0a7f0db81535f0781a3a6d6 |b 3 |u dkfz |
| 700 | 1 | _ | |a Uder, Michael |b 4 |
| 700 | 1 | _ | |a Hensel, Bernhard |b 5 |
| 700 | 1 | _ | |a Laun, Frederik Bernd |b 6 |
| 773 | _ | _ | |a 10.1002/mrm.28582 |g p. mrm.28582 |0 PERI:(DE-600)1493786-4 |n 4 |p 2095-2108 |t Magnetic resonance in medicine |v 85 |y 2021 |x 1522-2594 |
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