Abstract
Purpose
To identify predictive factors for truncation artifacts (TAs) in the arterial phase of Gd-EOB-DTPA-enhanced MRI in a multicenter study in Japan.
Materials and methods
Data on patient factors (age, sex, weight, presence of viral hepatitis, and other conditions) and imaging parameters (e.g., triggering, voxel size, matrix, k-space ordering, acquisition time, reduction factor, flip angle, fat suppression, field strength, injection rate, and saline volume) were obtained. Univariate and multivariate analyses were performed to investigate the correlation of these parameters.
Results
We evaluated 1444 patients from 43 institutions who were scanned using GE, Siemens, Philips, or Toshiba MRI equipment (501, 354, 349, and 240 patients, respectively). The total incidence of TAs was 12.5% (17.2, 3.6, 15.7, and 12.1%, respectively). The matrix [odds ratio (OR) 0.13], flip angle (OR 5.77), use of fat suppression (OR 0.106), and field strength (OR 0.092) used in the Philips equipment significantly increased the incidence of TAs in MRI examination.
Conclusions
The incidence of TAs in the arterial phase is influenced by several patient factors and imaging parameters. Especially, Siemens and Toshiba equipment had a significantly lower frequency of TAs. This indicates that such vendor-specific technology used in the dynamic sequence may have a TA-resistant effect.
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Change history
04 February 2021
In the original publication of this paper, results section has been mistakenly published without consistency with Tables.
Abbreviations
- CI:
-
Confidence interval
- Gd-EOB-DTPA:
-
Gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid
- HBV:
-
Hepatitis B virus
- HCV:
-
Hepatitis C virus
- OR:
-
Odds ratio
- TA:
-
Truncation artifact
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Guarantors of integrity of entire study: MT and TM. Study concepts/study design or data acquisition or data analysis/interpretation: all authors. Manuscript drafting or manuscript revision for important intellectual content: all authors. Approval of final version of submitted manuscript: all authors. Agrees to ensure any questions related to the work are appropriately resolved: all authors. Literature research: MT and KS. Clinical studies: all authors. Statistical analysis: MT. Manuscript editing: MT, KS, KI, and TM.
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Tsurusaki, M., Sofue, K., Onishi, H. et al. Predictive factors of truncation artifacts in the arterial phase of Gd-EOB-DTPA-enhanced MRI: a nationwide multicenter study. Jpn J Radiol 39, 165–177 (2021). https://doi.org/10.1007/s11604-020-01052-x
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DOI: https://doi.org/10.1007/s11604-020-01052-x