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Abstract #2534

Comparison of quiet diffusion-weighted imaging with standard DWI in the abdomen: preliminary evaluation in the assessment of abdominal organs

Xianyun Cai1, Guangbin Wang2, Tianyi Qian 3, David Grodzki4, Sai Shao2, Cong Sun1, and Huihua Li2

1Shandong Medical Imaging Research Institute,Shandong University, Jinan, China, 2Shandong Medical Imaging Research Institute, Jinan, China, 3Siemens Healthcare, MR Collaborations NE Asia, Beijing, China, 4Siemens Healthcare, Application Development, Erlangen, Germany

This study aimed to evaluate the diagnostic value of a quiet DWI (q-DWI) sequence in abdominal organs. Twenty-four patients underwent MR scans, including standard DWI and q-DWI. Quantitative and qualitative assessments regarding the signal-to-noise ratio (SNR), contrast-to-noise ratio (CNR), lesion conspicuity, the level of artifacts, and overall image quality, were measured. The qualitative rating by two radiologists shows that there were differences in lesion conspicuity, but these were not significant. The CNR and SNR of q-DWI were significantly higher than those of regular-DWI(r-DWI). For those patients who were intolerant to noise , the q-DWI technique could be more suitable.

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