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Hepatocellular carcinoma (HCC) is a neoplasm usually arising in a cirrhotic liver by a multistep carcinogenesis process. Early detection of HCC and accurate assessment of tumor burden are crucial to successful treatment planning and long-term survival.In this study, we compared the accuracy of diffusion weighted imaging (DWI) combined with limited sequence magnetic resonance imaging (MRI) set as a potentially quick and practical MR candidate with ultrasonography (US) for screening of HCC in patients with cirrhosis.Of 96 patients with cirrhosis, 30 who had concomitant HCC proved by pathology were selected. MRI, DWI, and US of the liver were performed for the patients. Sensitivity, specificity, and accuracy of DWI alone, limited sequences MRI alone, a combination of them, and US were calculated for the detection of HCC in these patients and then comparison between these modalities was performed.Combination of limited sequences MRI and DWI had the highest accuracy (94.79%) followed by DWI alone followed by limited sequence MRI alone. The least accuracy was for US (78.12%) with a statistically significant difference.Due to the significant improvement in the treatment of early stage of HCC compared to the previous decade, we suggest a fast, non-invasive, more accurate, but more expensive method (HASTE, OP/IP T1W sequences MRI combined with DWI) rather than US for the screening of HCC in liver cirrhosis.

Comparison of the Accuracy of DWI and Ultrasonography in Screening Hepatocellular Carcinoma in Patients with Chronic Liver Disease