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Insights into Imaging
Fig. 1 | Insights into Imaging

Fig. 1

From: Current updates on the molecular genetics and magnetic resonance imaging of focal nodular hyperplasia and hepatocellular adenoma

Fig. 1

Classic focal nodular hyperplasia (FNH) in a 40-year-old female incidentally detected on ultrasound (not shown here). (a) Axial T2W MRI shows a well-circumscribed T2 isointense lesion (long arrow) in the left lobe of the liver with a central T2 hyperintense scar (short arrow). (b) Axial T1W MRI shows a well-circumscribed T1 isointense lesion (long arrow) in the left lobe of the liver with a central T2 hypointense scar (short arrow). (c) Axial post-contrast MRI in the arterial phase reveals intense enhancement of the lesion (long arrow) with a non-enhancing central scar (short arrow). Axial post-contrast MRI in the venous (d) and delayed phases (e and f) shows the isointense nature of the lesion (long arrow) with progressive delayed enhancement of the central scar (short arrow)

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