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Abstract #2529

Development of the phantom to measure the image distortion in the magnetic resonance angiography  and verification of the relationship between geometric positions and the image distortion

Atsushi FUKUYAMA1, Haruo ISODA2, and Shuji KOYAMA2

1Radiological Sciences, Nagoya University Graduate School of Medicine, Nagoya, Japan, 2Brain & Mind Research Center, Nagoya University, Nagoya, Japan

Our objective is to develop a phantom that can evaluate the image distortion along the body axis objectively, and elucidate the relationship between the occurrence and geometrical position of image distortion in MRA. As a result, the phantom that we have developed has made it possible to evaluate image distortion objectively over a wide range of the trunk. We made clear that when separated from the center of the magnetic field in vertical or horizontal directions, image distortion became larger with the increase in distance.

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