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Abstract #1553

Visibility improvement of  cerebral blood vessels by High Resolution Quantitative Susceptibility Mapping

Yuya Umemoto1, Tomohiro Ueno1, Shin-ichi Urayama2, Toshihiko Aso2, Hidenao Fukuyama2, and Naozo Sugimoto1

1Human Health Sciences, Kyoto University, Kyoto, Japan, 2Human Brain Research, Kyoto University, Kyoto, Japan

In Quantitative Susceptibility Mapping, susceptibility distribution can be obtained by deconvolution of perturbed fields with dipole fields. In our proposed method, High Resolution QSM, we employed densely sampled dipole fields to improve the quality of QSM. To verify the High Resolution QSM, we performed a human study, and acquired QSM input phase data of a healthy human subject. We compared MIP of the High Resolution QSM to that of the tricubically interpolated conventional QSM. In the High Resolution QSM, visibility of several cerebral blood vessels is improved. This means that a susceptibility map with higher spatial resolution is obtained.

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