Similar figures were reported by other studies investigating the combinations of CE-US þ CT and CT þ MRI in the setting of 1- to 2-cm HCC nodules.(9,24) In the present study, regardless of the dual combination of dynamic contrast imaging technique applied, no more than 13% of grade I tumors 2 cm were correctly identified on radiological examination, compared with >50% for grade II and grade III tumors of similar size.