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Abstract #2808

Non-Contrast-Enhanced MRA for Hepatic Vasculature Imaging using Off-Resonance-Robust Velocity-Selective Pulse Train

Lyu Li1, Qin Qin2,3, Weibo Chen1, Ting Li4, Kangan Li4, and Hua Guo5

1Philips Healthcare, Shanghai, People's Republic of China, 2Radiology, Johns Hopkins University, Baltimore, United States, 3F.M. Kirby Research Center for Functional Brain Imaging, Kennedy Krieger Institute, Baltimore, United States, 4Radiology, Shanghai General Hospital, Shanghai, People's Republic of China, 5Center for Biomedical Imaging Research, Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, People's Republic of China

Preoperative hepatic vascular evaluation is of great importance in a variety of liver surgeries, including tumor resection and transplantation. An accurate depiction of hepatic vascular anatomy can help to prevent the complications and decrease the morbidity and mortality in liver surgeries. However, few studies have reported good image quality in hepatic vasculature imaging using non-contrast-enhanced MR angiography (NCE-MRA) because of the motion and complex structure. In recent years, some studies reported the potential of NCE-MRA with velocity-selective pulse train (VSMRA). In this study, we demonstrated the feasibility of VSMRA for imaging the hepatic vasculature with an off-resonance-robust velocity-selective pulse train at 3T.

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