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Abstract #1647

Whole body DWIBS and Water-Fat resolved Dixon for Midfield MRI

Yiming Dong1, Martijn Nagtegaal1, Ece Ercan2, Jouke Smink2, Kirsten van Langevelde3, Bas Boekestijn3, Andrew Webb1, Matthias J.P. van Osch1, and Peter Börnert1,4
1C.J. Gorter MRI Center, Department of Radiology, LUMC, Leiden, Netherlands, 2MR Clinical Science, Philips Healthcare, Best, Netherlands, 3Department of Radiology, LUMC, Leiden, Netherlands, 4Philips Innovative Technologies Hamburg, Hamburg, Germany

Synopsis

Keywords: Low-Field MRI, Whole Body

Motivation: Midfield MRI has advantages regarding patient safety, reduced acoustic noise, and lower susceptibility artifacts. This study explores its potential in diffusion-weighted whole-body imaging with background body signal suppression (DWIBS) and water/fat separation.

Goal(s): To assess the feasibility and image quality of combining DWIBS and Dixon water/fat imaging on a 0.6T MRI system, enabling whole-body imaging suitable for clinical use.

Approach: A prototype 0.6T MRI system was used to perform multi-station DWIBS and Dixon water-fat imaging in five healthy subjects.

Results: The combined DWIBS and Dixon imaging produced adequate image quality and effective water/fat separation, demonstrating midfield MRI's potential for various clinical applications.

Impact: This study demonstrates that midfield MRI can achieve clinically viable whole-body DWIBS and Dixon imaging. These findings could encourage broader clinical use of midfield MRI, particularly for patients with implants or susceptibility to high-field MRI risks.

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