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Abstract #1640

Cylinder 3D radial acquisition for reduced imaging artifacts and better resolution at 1.5 T

Yajing Zhang1, Jiazheng Wang2, and Chenguang Zhao1

1Philips Healthcare, Suzhou, China, 2Philips Healthcare Greater China, Beijing, China

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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