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Abstract #4194

Longitudinal evolution of liver imaging reporting and Data system Version 2018 category 2, 3, and 4 observations in cirrhosis on MRI

Fei Xing1 and Xiance Zhao2
1the Third People’s Hospital of Nantong, Nantong, China, 2Philips Healthcare, Shanghai, China


The purpose of this study was to evaluate the category modifications and prognosis of LI-RADS 2,2 and 4 observations in cirrhosis on MRI. We retrospectively analyzed 105 LR-2 , 97 LR-3, and 43 LR-4 observations following-up datas. Follow-up duration and category modifications that progressed, remained stable, or decreased were recorded for each observation. Our study showed that LR-2, LR-3 and LR-4 lesions in liver cirrhosis patients present with different natural disease courses and outcomes, the lesions with a higher LI-RADS category have a higher cumulative incidence of progression to LR-5/-TIV lesion, thus demonstrating an increasing risk of developing HCC.

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