Hepatocellular carcinoma (HCC) is the most common primary malignancy of the liver. Poorly differentiated HCC is associated with higher recurrence and worse survival compared with well and moderately differentiated HCC and preoperative prediction of histological grade is useful for deciding treatment strategy. We compared the value of MR elastography (MRE) and intravoxel incoherent motion (IVIM) in predicting the histological grade of hepatitis B virus (HBV)-related HCCs using volumetric analysis. Our results demonstrated that only mean tumor stiffness, and not ADC or IVIM metrics, could predict the histological grade of HCCs.
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