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Abstract #3020

Performance of single-shot echo-planar imaging DTI in rat sciatic nerve compared with readout-segmented echo-planar imaging

Yueyao Chen1, Zhongxian Pan1, Fanqi Meng1, Zhujing Li1, Jinyun Gao1, Yuanming Hu1, Yihao Guo2, Qian Xu1, Leyu Huang1, and Hanqing Lv*1
1Department of Radiology, Shenzhen Traditional Chinese Medicine Hospital (The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine), Shenzhen, China, 2MR Collaboration, Siemens Healthineers Ltd., Guangzhou, China


This study compared single-shot echo-planar imaging (SS-EPI) with readout-segmented echo-planar imaging (RS-EPI) diffusion tensor imaging (DTI) in vivo anesthetized rat sciatic nerve at 3T. The result showed that the image quality scores of SS-EPI were higher than those of RS-EPI in terms of the nerve morphology and homogeneity of the neuromuscular region. The coefficients of FA and RD obtained with SS-EPI were higher than those obtained with RS-EPI SS-EPI. This suggests that in rat sciatic nerve DTI, SS-EPI showed higher image quality and offered more sensitive and stable parameters to detect the histopathological change in the rat sciatic nerve.

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