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Abstract #2938

Assessing Liver Fibrosis in Patients with Chronic Hepatitis B: Comparison of T1 Mapping with Gd-EOB-DTPA-enhanced 1.5T MRI, Aspartate Aminotransferase-to-Platelet Ratio Index and Fibrosis-4

Li Yang1, Ying Ding2, Mengsu Zeng3, Shengxiang Rao3, and Ruofan Sheng3

1Shanghai Institute of Medical Imging, Zhongshan Hospital of Fudan University, Shanghai, China, People's Republic of, 2Zhongshan Hospital of Fudan University,Shanghai Institute of Medical Imging, Shanghai, China, People's Republic of, 3Zhongshan Hospital of Fudan University, Shanghai, China, People's Republic of

Hepatobiliary-phase gadoxetic acid-enhanced MR imaging may reflect liver function and was reported to be able to predict liver fibrosis stage with higher reliability. Aspartate aminotransferase-to-platelet ratio index (APRI) and fibrosis-4 (FIB-4) are widely used non-invasive tests that estimate liver fibrosis. We compared the diagnostic performance of T1 mapping on Gd-EOB-DTPA-enhanced 1.5T magnetic resonance imaging (MRI), APRI and FIB-4 for evaluating the severity of liver fibrosis in 118 patients with chronic viral hepatitis B, and the results showed The HBP T1 relaxation time measurement on gadoxetic acid-enhanced appears superior to unenhanced, D% (the reduction rate) of T1 relaxation times, the APRI and FIB-4 index in differentiating advanced liver fibrosis.

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