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Abstract #0917

Time-resolved dynamic contrast enhanced MR imaging of the pulmonary vasculatures and parenchyma using Fat-sat DISCO with Gadobutrol

Takayuki Masui1, Motoyuki Katayama1, Mitsuteru Tsuchiya1, Masako Sasaki1, Kenshi Kawamura1, Yuki Hayashi1, Takahiro Yamada1, Naoyuki Takei2, Yuji Iwadate2, and Kang Wang3

1Radiology, Seirei Hamamatsu General Hospital, Hamamatsu, Japan, 2Global MR Applications and Workflow, GE Healthcare, Hino, Japan, 3Global MR Applications and Workflow, GE Healthcare, Madison, Japan

Fat-sat DISCO is modified version of DISCO, based on LAVA with view-sharing, which can be used for dynamic contrast MR imaging with high temporal resolutions. Gadobutrol has higher concentration of Gadolinium and its single bolus injection might induce T2 shorting effects. Simultaneous bolus injection of Gadobutrol and saline may suppress T2 shorting effects and will facilitate enhancement on T1-weighted imaging. Using fat-sat DISCO with simultaneous bolus injection of Gadobutrol and saline, dynamic contrast MR imaging of the lung can steadily provide selective visualization of pulmonary vasculatures and parenchymal enhancement.

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