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- W1987487652 abstract "Purpose: We assessed what MR imaging parameters affected ringing artifacts during the arterial phase of gadoxetic acid-enhanced dynamic magnetic resonance (MR) imaging. Materials and Methods: We tested various parameters, including imaging matrices, choice of either sequential or elliptical centric phase-encoding scheme, scanning time, and contrast injection rate using new simulation software on a personal computer and visually evaluated clinical MR images retrospectively using a 4-point scale to assess ringing artifacts. Results: The simulation study revealed that square matrices, short scanning time, slow injection rate, and sequential view ordering effectively reduced ringing artifacts, findings confirmed in clinical practice using gadoxetic acid-enhanced MR imaging. Significantly fewer artifacts resulted using a slow injection rate (P<0.05) and using square matrices in the arterial (P<0.05), portal (P<0.01), and hepatocytic (P<0.05) phases. Conclusion: Choice of square matrix, slower injection rate, shorter scanning time, and sequential view ordering could reduce ringing artifacts." @default.
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- W1987487652 date "2012-01-01" @default.
- W1987487652 modified "2023-10-12" @default.
- W1987487652 title "Reduction of Ringing Artifacts in the Arterial Phase of Gadoxetic Acid-enhanced Dynamic MR Imaging" @default.
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- W1987487652 doi "https://doi.org/10.2463/mrms.11.91" @default.
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