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Abstract #0326

Free Breathing Dynamic Contrast Enhanced MR Imaging of the Hepatopancreatobiliary lesions with improved 3D Stack-of-Stars k-space trajectory

Takayuki Masui1, Motoyuki Katayama1, Yuji Iwadate2, Naoyuki Takei2, Mitsuharu Miyoshi2, Masako Sasaki1, Takahiro Yamada1, Ty Cashen3, Sagar Mandava4, and Kang Wang5
1Radiology, Seirei Hamamatsu General Hospital, Hamamatsu, Japan, 2Global MR Applications and Workflow, GE Healthcare, Hino, Japan, 3Global MR Applications and Workflow, GE Healthcare, Madison, WI, United States, 4GE Healthcare, Tucson, AZ, United States, 5GE Healthcare, Waukesha, WI, United States

The feasibility of dynamic Gd-contrast study for evaluation of hepatopancreatobiliary lesions under free breathing was demonstrated. Superb image quality with high temporal resolutions could be obtained using a stack-of-stars k-space trajectory with golden angle ordering a CG-SENSE algorithm that supports parallel imaging and soft-gating for accelerated motion robust imaging. Selective recognition of vasculatures and lesions in the liver and pancreas can be made with this technique, which may be equivalent to fast breath-hold dynamic contrast image in young and old aged population.

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