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Abstract #3472

Optimization of Single-shot Turbo Spin-echo Diffusion-weighted Imaging with Parallel Imaging in Healthy Pancreas

Yu Nishina1, Satoru Morita1, Tatsuya Kuramoto2, Makoto Suzuki2, Hitoshi Tadenuma2, Yasuhiro Goto2, Masami Yoneyama3, and Shuji Sakai1

1Diagnostic Imaging and Nuclear Medicine, Tokyo Women's Medical University Hospital, Tokyo, Japan, 2Radiological Service, Tokyo Women's Medical University Hospital, Tokyo, Japan, 3Philips Electronics Japan, Tokyo, Japan

We compared the image quality of single-shot turbo spin-echo diffusion-weighted imaging (TSE-DWI) with parallel imaging and conventional echo planar DWI (EPI-DWI) in the pancreas of healthy volunteers. TSE-DWI with a sensitivity encoding factor (SF) of 2, 4, 6, and EPI-DWI with SF2 (b-values = 0, 500, 1000 s/mm2) were obtained using a 3T MRI scanner. Two radiologists evaluated overall image quality, susceptibility artifacts, and aliasing artifacts. TSE-DWI with moderate SF had better image quality than conventional EPI-DWI for a medium b-value because of less susceptibility artifacts.

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