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Abstract #2700

Evaluation of Compressed SENSE in Quantitative Susceptibility Mapping

Katsuhiro Inoue1, Shiho Isoshima1, Maki Umino2, Tsunehiro Yamahata1, Shinichi Takase1, Makoto Obara3, Hajime Sakuma2, and Masayuki Maeda4

1Department of Radiology, Mie University Hospital, Tsu, Mie, Japan, 2Department of Radiology, Mie University School of Medicine, Tsu, Mie, Japan, 3MR Clinical Science, Philips Japan, Tokyo, Japan, 4Department of Advanced Diagnostic Imaging, Mie University School of Medicine, Tsu, Japan

Quantitative Susceptibility Mapping (QSM) is reportedly useful for the early diagnosis of Parkinson’s disease. However, the imaging time for QSM is very long because of the additional acquisition of 3D FFE; compressed SENSE (C-SENSE) could resolve this problem. The susceptibility values of the putamen, globus pallidus, caudate nucleus, substantia nigra, and nucleus ruber in seven healthy volunteers were measured as well as evaluated using SENSE and C-SENSE QSM. The results suggest that good reproducibility and validity for C-SENSE QSM can be obtained when high factors are used. C-SENSE QSM can reduce acquisition time, and is therefore expected to be widely used in the clinical setting.

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