Abstract #3662

Utility of Noncontrast-enhanced Turbo-field Echo-planar Imaging-based 4D Flow MRI for Portal Venous System

Naoya Kinota^1,2, Daisuke Abo³, Daisuke Kato¹, Satonori Tsuneta³, Noriko Nishioka¹, Kinya Ishizaka⁴, Noriyuki Fujima³, Kazuyuki Minowa⁵, and Kohsuke Kudo^1,6

¹Department of Diagnostic Imaging, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan, ²Department of Dental Radiology, Hokkaido University Hospital, Sapporo, Japan, Japan, ³Department of Diagnostic and Interventional Radiology, Hokkaido University Hospital, Sapporo, Japan, ⁴Department of Radiological Technology, Hokkaido University Hospital, Sapporo, Japan, ⁵Department of Radiology, Faculty of Dental Medicine, Hokkaido University, Sapporo, Japan, ⁶Global Center for Biomedical Science and Engineering, Faculty of Medicine, Hokkaido University, Sapporo, Japan

Synopsis

Keywords: Vessels, Velocity & FlowEcho-planer imaging-based three-dimensional cine phase contrast (4D flow) MRI has been reported to achieve good image quality with a short acquisition time in cardiovascular imaging, but its application to the portal venous (PV) system has not been reported. In this study, the turbo-field echo-planar imaging (TFEPI) 4D flow MRI with a turbo-field echo (TFE)-based one in the PV system was compared. The TFEPI sequence showed a better image quality and flow consistency at the splenic and superior mesenteric vein confluence with a shorter acquisition time compared to the conventional TFE-based one.

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