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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