1Department of Radioligical Service, Tokyo Women's Medical University Hospital, TOKYO, Japan, 2Department of Diagnostic imaging & Nuclear Medicine, Tokyo Women`s Medical University Hospital, Tokyo, Japan, 3Philips Electronics Japan, Tokyo, Japan
We evaluated the feasibility of optimal gating method and imaging
parameters for Single-Shot Turbo Spin Echo (ssTSE) diffusion weighted image (DWI). As a result, The Peripheral pulse gating (PPG) synchronization method was
significantly higher in visual scoring than that of the ECG synchronization
method (p=0.02) and ssTSE-DWI using SENSE-factor 4.0 brought about the best image
quality. Refocusing Flip Angle (RFA) tended to be higher in images with higher visual score. Visualizing
cardiac DWI was feasible under above conditions. In conclusion, it is expected
that ssTSE-DWI using PPG has a possibility to detect abnormal signal from
myocardium by non-contrast MRI.
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