Abstract #1399

Single-Scan GRE Myelin Water Imaging with Macroscopic Field Inhomogeneity Compensation

Doohee Lee¹, Jingu Lee¹, Jongho Lee¹, and Yoonho Nam²

¹Department of Electrical and Computer Engineering, Seoul National University, Seoul, Korea, Republic of, ²Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea, Republic of

In this study, we propose a single-scan GRE-MWI method that corrects for the effects of macroscopic field inhomogeneity using a modified z-shimming. In addition, a new three-component magnitude model corresponding to the modified sequence is proposed. Compared to the conventional method, the results showed an improved MWF estimation, particularly in frontal lobe regions.

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