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Abstract #2799

High Resolution Spine Diffusion Imaging using 2D-navigated Interleaved EPI with Shot Encoded Parallel-imaging Technique (SEPARATE)

Xiaodong Ma 1 , Zhe Zhang 1 , Yishi Wang 1 , Erpeng Dai 1 , and Hua Guo 1

1 Center for Biomedical Imaging Research, Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, China

In order to achieve high resolution spine DTI, the 2D-navigated interleaved EPI combined with a proposed reconstruction method, Shot Encoded Parallel-imaging Technique (SEPARATE), is used in this study. Cervical spine and lumbar spine DTI results show the improved resolution and reduced distortion compared to the single-shot EPI DTI. Furthermore, the proposed method is less sensitive to the mismatch between image data and navigator than the image domain phase correction.

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