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Abstract #1805

Quantitative DWI in patients with hepatocellular carcinoma: effects of simultaneous multi-slice acquisition and gadoxetic acid injection

Ting Yang1, Zheng Ye1, Shan Yao1, Qing Li2, and Bin Song1
1West China Hospital, Chengdu, China, 2MR Collaborations, Siemens Healthineers Ltd., Shanghai, China

Synopsis

Keywords: Quantitative Imaging, Liver, simultaneous multi-slice diffusion weighted imaging

Diffusion weighted imaging (DWI) and gadoxetic acid-enhanced magnetic resonance imaging (MRI) are important in diagnosing hepatocellular carcinoma (HCC). Previous studies have validated that gadoxetic acid administration during enhanced MRI improves signal-to-noise ratio without influencing apparent diffusion coefficient (ADC), while the impact of simultaneous multi-slice (SMS) technique on the measurement of ADC is still unknown. Our study assessed the influence of gadoxetic acid administration on ADC values of liver with and without SMS acceleration. We found that SMS technique and gadoxetic acid administration did not affect the ADC values of liver parenchyma and HCC.

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