Fig. 6. Gadoxetic acid-enhanced MRI in 70-year-old woman with chronic hepatitis C.On fat-saturated T2-weighted image (A), approximately 5-cm mass (arrow)

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Fig. 6. Gadoxetic acid-enhanced MRI in 70-year-old woman with chronic hepatitis C.On fat-saturated T2-weighted image (A), approximately 5-cm mass (arrow) with mild hyperintensity is seen in segment 4 of liver. After gadoxetic acid injection, lesion (arrows) shows arterial hyperenhancement (B), isointensity on portal phase (C), and hypointensity on HBP (D). On diffusion-weighted image (E), mass (arrowheads) demonstrates peripheral hyperintensity with typical targetoid appearance. Mass was histopathologically confirmed as cholangiocarcinoma. Regardless of presence of arterial enhancement with hepatobiliary defect, diagnosis of HCC cannot be made due to exclusion criteria of targetoid appearance according to updated KLCA-NCC guidelines version 2018. Fig. 6. Gadoxetic acid-enhanced MRI in 70-year-old woman with chronic hepatitis C.On fat-saturated T2-weighted image (A), approximately 5-cm mass (arrow) with mild hyperintensity is seen in segment 4 of liver. After gadoxetic acid injection, lesion (arrows) shows arterial… Korean J Radiol. 2019 Jun;20(6):863-879. https://doi.org/10.3348/kjr.2018.0450