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Abstract #1501

Selective MRA for portal venography using Beam Saturation pulse

Takashi Nishihara 1 , Hiroyuki Itagaki 1 , Kuniaki Harada 1 , Masatomo Yokose 1 , Oka Kuniharu 1 , and Tetsuhiko Takahashi 1

1 MRI System Division, Hitachi Medical Corporation, Kashiwa, Chiba, Japan

In order to visualize the blood flow in portal vein, we investigate use of a 2D beam excitation pre-saturationpulse (hereafter Beam Sat pulse) with the flow phantom and healthy volunteer.@As a result, the Beam Sat pulse is able to saturate the portal vein selectively. When combined with unenhanced portal venography, the Beam Sat pulse seems to visualize additional information about the blood flow in portal vein.

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