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	Analysis of diffusion effects in SSFP sequences with extended phase graphs
	Qiao Yangzi; Zou Chao; Cheng Chuanli; Wan Qian; Tie Changjun; Liu Xin; Zheng Hairong
	2018
会议日期	2018
会议地点	Paris Expo Porte de Versailles Paris, France
英文摘要	EPG simulation was applied to analysis the diffusion effect of two SSFP-FID signals, FISP and ES. The influence of T1, T2, and unbalanced gradient on signal intensity with consideration of diffusion effect was studied. The EPG simulation have a good consistency with the experimental data, indicating it can efficiently and precisely calculate the diffusion effect of SSFP signals. Both the simulation and phantom study reveals that for some specific tissues and imaging parameters, positive diffusion contrast can be obtained in FISP and ES sequence. For quantitative method based on SSFP signals, such as TESS relaxometry, the diffusion effect should be considered while large unbalanced gradients and small flip angle were employed for high resolution imaging in high field system.
URL标识	查看原文
内容类型	会议论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/14542]
专题	深圳先进技术研究院_医工所
推荐引用方式 GB/T 7714	Qiao Yangzi,Zou Chao,Cheng Chuanli,et al. Analysis of diffusion effects in SSFP sequences with extended phase graphs[C]. 见:. Paris Expo Porte de Versailles Paris, France. 2018.

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