There was no significant difference before and after administration of contrast agent in the SNR or CNR of DWI. This indicates the feasibility of postcontrast DWI as a substitute for an unsuccessful precontrast-enhanced study in clinical practice.
The purpose of this study was to test the hypothesis that cirrhotic change of liver in hepatitis B patients observed in Child-Pugh classification based on clinical assessment would be reflected in the apparent diffusion coefficient (ADC) values calculated from diffusion-weighted magnetic resonance (MR) imaging. Twenty-seven patients with hepatitis B Child-Pugh class A cirrhosis and 10 control subjects were referred for measurement values of the liver on a 3.0-T MR unit. The results revealed that ADCs were significantly lower in hepatitis B patients with Child-Pugh class A compared with control subjects (p < 0.01). In conclusion, our preliminary study showed that hepatitis B patients with Child-Pugh class A had reduced ADC values in liver vis-a-vis normal subjects.
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