• J Magn Reson Imaging · May 2014

    Functional magnetic resonance cholangiography enhanced with Gd-EOB-DTPA: effect of liver function on biliary system visualization.

    • Shi-Ting Feng, Ling Wu, Tao Chan, Huasong Cai, Yanji Luo, Keguo Zheng, Di Tang, and Zi-Ping Li.
    • Department of Radiology, First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China.
    • J Magn Reson Imaging. 2014 May 1; 39 (5): 1254-8.

    PurposeTo evaluate effect of liver function on biliary system visualization using gadolinium ethoxybenzyl diethylenetriamine pentaacetic acid (Gd-EOB-DTPA)-enhanced magnetic resonance cholangiography (CE-MRC).Materials And MethodsIn all, 39 patients were divided into three groups according to their Child-Pugh classification: group A, Child-Pugh class A (23); group B, class B (11); and group C, class C (5). They underwent Gd-EOB-DTPA CE-MRC. Biliary system visualization was qualitatively rated on a 5-point scale. Relative signal intensity (RSI) of common bile duct (CBD) and liver was quantitatively measured. Laboratory findings and the Model of Endstage Liver Disease (MELD) score were recorded.ResultsVisualization ratings of CBD, left hepatic duct, right hepatic duct, segmental branches of intrahepatic ducts, cystic duct, and gallbladder of group A were: 3.61 ± 0.58, 2.87 ± 0.97, 2.96 ± 0.77, 1.17 ± 0.58, 3.04 ± 0.83, 3.00 ± 0.95, respectively; group B: 2.00 ± 0.61, 1.09 ± 0.64, 0.91 ± 0.54, 0.27 ± 0.13, 1.36 ± 0.62, 1.45 ± 0.54, respectively; group C: 1.40 ± 0.73, 1.00 ± 0.51, 1.00 ± 0.51, 0.00 ± 0.00, 0.60 ± 0.39, 0.60 ± 0.39, respectively. RSI of CBD of groups A to C were 17.12 ± 0.41, 3.95 ± 0.63, 3.33 ± 0.30, respectively. RSI of liver of groups A to C were 6.73 ± 0.72, 2.53 ± 1.02, 2.05 ± 0.11, respectively. CE-MRC images of group A were significantly better than those of group B and C in terms of both visualization ratings and RSI of CBD. CBD RSI positively correlated with liver RSI (r = 0.99, P < 0.001). The total serum bilirubin level and MELD score were significant predictors of RSI of CBD.ConclusionDifferent liver function according to Child-Pugh classification significantly affects biliary system visualization of Gd-EOB-DTPA CE-MRC.Copyright © 2013 Wiley Periodicals, Inc.

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