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Abstract #4651

Phase distribution of white matter using phase difference enhanced MRI

Tetsu Niwa 1 , Tetsuya Yoneda 2 , Takuya Hara 1 , Tatsuya Sekiguchi 1 , Takakiyo Nomura 1 , Takashi Okazaki 1 , Shuhei Shibukawa 1 , Noriharu Yanagimachi 1 , Taro Takahara 3 , and Yutaka Imai 1

1 Radiology, Tokai University School of Medicine, Isehara, Kanagawa, Japan, 2 Medical Physics in Advanced Biomedical Sciences, Kumamoto University, Faculty of Life Sciences, Kummamoto, Japan, 3 Biomedical Engineering, Tokai University School of Engineering, Kanagawa, Japan

We assessed the phase distribution of the neonatal brain using phase difference image. Phase difference image was created with a combination of the magnitude and masked phase image with relatively small positive phase using 3D gradient echo-planar imaging. Signal ratio at the posterior limb of the internal capsule, the corpus callosum, and the semiovale center was calculated. As a result, a certain phase distribution was noted in neonatal brain, which was different from that of fractional anisotropy at diffusion tensor imaging.

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