Abstract #3302

Comparison of T1ρ imaging between rapid acquisition with relaxation enhancement (RARE) and ultrashort TE (UTE) sequence of rat liver at 11.7T MRI

Qianfeng Wang¹, Hong Xiao², Xuchen Yu¹, He Wang^1,3, and Fuhua Yan²

¹Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University, Shanghai, China, ²Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China, ³Human Phenome Institute, Fudan University, Shanghai, China, Shanghai, China

In this study, T1ρ images of 24 rat liver samples were acquired with two types of pulse sequences: RARE and UTE. The mean T1ρ value of the rat liver with RARE was significantly higher compared to UTE (p<0.001). This study shows that the quantitative UTE-R1ρ has a better correlation with LIC than RARE-R1ρ.

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