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Abstract #3295

Correlation between multi-echo ultrashort TE and mDIXON-quant imaging for R2* mapping in liver cirrhosis

Qiang Wei1, Nan Wang1, Ailian Liu1, Qingwei Song1, Renwang Pu1, Lihua Chen1, Jiazheng Wang2, and Liangjie Lin2
1The First Affiliated Hospital of Dalian Medical University, Dalian, China, 2Philips Healthcare, Dalian, China

Ultrashort echo time (UTE) imaging is a valuable technique for imaging short T2 and T2* samples. While the mDIXON-quant sequence enables reliable separation of water and fat signals, and measurement of fat fraction. With introduction of multiple echo acquisition, both the UTE and mDIXON-quant sequence can be used for measurement of the quantitative R2* values. This study investigated the correlation between R2* values measured by UTE and mDIXON-quant sequences. Results show that a moderate correlation between R2 values by the two methods, and R2* values measured by UTE were slightly higher than those by mDIXON-quant.

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