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Abstract #0317

Improvement of Left Hepatic Lobe Diffusion Weighted Imaging using Double Triggering with Motion Sensitive CINE Imaging

Hiroshi Hamano1, Masami Yoneyama1, Akihiro Nishie2, Keisuke Ishimatsu2, Chiaki Tokunaga3, Hiroaki Watanuki3, Tatsuhiro Wada3, Isao Shiina4, Michinobu Nagao5, Yasuhiro Goto4, Kazuo Kodaira4, Yutaka Hamatani4, Takumi Ogawa4, Takashi Namiki1, and Kenji Iinuma1
1Philips Japan, Tokyo, Japan, 2Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan, 3Division of Radiology, Department of Medical Technology, Kyushu University Hospital, Fukuoka, Japan, 4Department of Radiological Services, Tokyo Women’s Medical University, Tokyo, Japan, 5Department of Diagnostic Imaging and Nuclear Medicine, Tokyo Women’s Medical University, Tokyo, Japan

In the Liver DWI, the respiratory and cardiac motion induce signal loss and artificially increase ADC of the left hepatic lobe. On the other hand, Motion-Sensitive (MoSe) CINE imaging, based on T2FFE (also known as PSIF) sequence, could directly visualize the motion-insensitive cardiac timing thanks to that of motion sensitivity. We assumed that it is useful for determining optimal cardiac trigger delay (TD) in the liver DWI. We demonstrated that the respiratory and cardiac trigged DWI with optimal cardiac TD using MoSe CINE imaging leads to the robustness of image quality in DWI and ADC of the left hepatic lobe.

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