We have developed a novel 3D radial sequence for motion insensitive MRI, which replaces the frequency encodings in the radial plane in prior-art stack-of-star sequences with stepwise phase encodings to reduce the streaking artifacts that can arise from chemical shifts and system imperfections. The sequence achieved better image homogeneity with less imaging artifacts when compared to the prior-art sequence at 1 mm isotropic resolution with golden angle acquisition, both in phantom and in human brain and abdomen imaging.
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