Abstract #1585

3D Balanced Steady-State Free Precession (bSSFP) Imaging on an Ultra-Low-Field 0.055T MRI System

Ye Ding^1,2, Shi Su^1,2, Linfang Xiao^1,2, Yujiao Zhao^1,2, Jiahao Hu^1,2, Junhao Zhang^1,2, Vick Lau^1,2, Christopher Man^1,2, Alex T.L. Leong^1,2, and Ed X. Wu^1,2

¹Laboratory of Biomedical Imaging and Signal Processing, The University of Hong Kong, Hong Kong, China, ²Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China

Synopsis

Keywords: Low-Field MRI, BodyRecently, there has been an impetus to develop ultra-low-field (ULF) MRI technologies, which present opportunities for low-cost and portable imaging in point-of-care scenarios. Balanced steady-state free precession (bSSFP) is a time-efficient imaging sequence yet its feasibility at ULF remains unexplored. In this study, we implemented bSSFP sequence at 0.055T, and successfully demonstrated phantom, brain and extremity imaging.

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