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Imaging characteristics of a histologically proven FNH in a 25-year-old woman with gadoxetic acid-enhanced MRI. The lesion is hyperintense on late arterial phase T1w imaging (B) with equalization in the portal venous phase (C) and isointensity on T2w imaging (A). Note slight hyperintensity of the lesion on delayed T1w hepatobiliary phase images at 20 minutes distinguishing it from hepatic adenoma. No central scar is present in this case.
