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- W2019419915 abstract "Purpose: To establish a simple method to evaluate the degree of liver parenchymal enhancement in the hepatobiliary phase (HP) of gadoxetic acid-enhanced magnetic resonance imaging (MRI). Materials and Methods: Subjects comprised 75 patients with or without chronic liver disease who underwent gadoxetic acid-enhanced MRI and indocyanine green retention at 15 minutes (ICG-R15). HP images were used for data analysis. In the quantitative evaluation, liver-to-phantom signal intensity (SI) ratio (LPR), liver-to-portal vein SI ratio (LPVR), and liver-to-kidney SI ratio (LKR) were calculated. In qualitative visual assessment, liver-to-portal vein contrast (LPVC) and liver-to-kidney contrast (LKC) were assessed using a 5-point scale (1, hyperintense; 2, slightly hyperintense; 3, isointense; 4, slightly hypointense; 5, hypointense). Statistical evaluations included the Spearman's rank correlation test. Results: LPVC and LKC correlated significantly with LPR (ρ = −0.445, P < 0.001; ρ = −0.576, P < 0.001, respectively). LPVC and LKC showed significant correlations with LPVR and LKR (ρ = −0.659, P < 0.001; ρ = −0.674, P < 0.001, respectively). In addition, LPVC and LKC correlated significantly with ICG-R15 (ρ = 0.696, P < 0.001; ρ = 0.795, P < 0.001, respectively). Conclusion: LPVC and LKC can be used as simple visual indicators to objectively assess the degree of liver parenchymal enhancement on HP of gadoxetic acid-enhanced MRI. J. Magn. Reson. Imaging 2013;37:1115–1121. © 2012 Wiley Periodicals, Inc." @default.
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- W2019419915 date "2012-11-12" @default.
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- W2019419915 title "Simple Method for evaluating the degree of liver parenchymal enhancement in the hepatobiliary phase of gadoxetic acid-enhanced magnetic resonance imaging" @default.
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- W2019419915 doi "https://doi.org/10.1002/jmri.23912" @default.
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