Advanced diffusion-weighted imaging sequences for breast MRI: comprehensive comparison of improved sequences and ultra-high B-values to identify the optimal combination
This study investigated the image quality and choice of ultra-high b-value of two DWI breast-MRI research applications. The study cohort comprised 40 patients (20 malignant lesions). In addition to s-DWI with two m-b-values (b50 and b800) and three e-b-values (e-b1500, e-b2000, and e-b2500), z-DWI a...
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| Hauptverfasser: | , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
7 February 2023
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| In: |
Diagnostics
Year: 2023, Jahrgang: 13, Heft: 4, Pages: 1-14 |
| ISSN: | 2075-4418 |
| DOI: | 10.3390/diagnostics13040607 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.3390/diagnostics13040607 Verlag, kostenfrei, Volltext: https://www.mdpi.com/2075-4418/13/4/607 
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| Verfasserangaben: | Daniel Hausmann, Inga Todorski, Alexandra Pindur, Elisabeth Weiland, Thomas Benkert, Lars Bosshard, Michael Prummer and Rahel A. Kubik-Huch |
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| 245 | 1 | 0 | |a Advanced diffusion-weighted imaging sequences for breast MRI |b comprehensive comparison of improved sequences and ultra-high B-values to identify the optimal combination |c Daniel Hausmann, Inga Todorski, Alexandra Pindur, Elisabeth Weiland, Thomas Benkert, Lars Bosshard, Michael Prummer and Rahel A. Kubik-Huch |
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| 520 | |a This study investigated the image quality and choice of ultra-high b-value of two DWI breast-MRI research applications. The study cohort comprised 40 patients (20 malignant lesions). In addition to s-DWI with two m-b-values (b50 and b800) and three e-b-values (e-b1500, e-b2000, and e-b2500), z-DWI and IR m-b1500 DWI were applied. z-DWI was acquired with the same measured b-values and e-b-values as the standard sequence. For IR m-b1500 DWI, b50 and b1500 were measured, and e-b2000 and e-b2500 were mathematically extrapolated. Three readers used Likert scales to independently analyze all ultra-high b-values (b1500-b2500) for each DWI with regards to scan preference and image quality. ADC values were measured in all 20 lesions. z-DWI was the most preferred (54%), followed by IR m-b1500 DWI (46%). b1500 was significantly preferred over b2000 for z-DWI and IR m-b1500 DWI (p = 0.001 and p = 0.002, respectively). Lesion detection was not significantly different among sequences or b-values (p = 0.174). There were no significant differences in measured ADC values within lesions between s-DWI (ADC: 0.97 [±0.09] × 10−3 mm2/s) and z-DWI (ADC: 0.99 [±0.11] × 10−3 mm2/s; p = 1.000). However, there was a trend toward lower values in IR m-b1500 DWI (ADC: 0.80 [±0.06] × 10−3 mm2/s) than in s-DWI (p = 0.090) and z-DWI (p = 0.110). Overall, image quality was superior and there were fewer image artifacts when using the advanced sequences (z-DWI + IR m-b1500 DWI) compared with s-DWI. Considering scan preferences, we found that the optimal combination was z-DWI with a calculated b1500, especially regarding examination time. | ||
| 650 | 4 | |a artifacts | |
| 650 | 4 | |a breast | |
| 650 | 4 | |a breast cancer | |
| 650 | 4 | |a diffusion-weighted imaging | |
| 650 | 4 | |a image quality | |
| 650 | 4 | |a magnetic resonance imaging | |
| 650 | 4 | |a noise reduction | |
| 700 | 1 | |a Todorski, Inga |e VerfasserIn |4 aut | |
| 700 | 1 | |a Pindur, Alexandra |e VerfasserIn |4 aut | |
| 700 | 1 | |a Weiland, Elisabeth |e VerfasserIn |4 aut | |
| 700 | 1 | |a Benkert, Thomas |e VerfasserIn |4 aut | |
| 700 | 1 | |a Bosshard, Lars |e VerfasserIn |4 aut | |
| 700 | 1 | |a Prummer, Michael |e VerfasserIn |4 aut | |
| 700 | 1 | |a Kubik-Huch, Rahel A. |e VerfasserIn |4 aut | |
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