Focal nodular hyperplasia

Case contributed by Dr Bruno Di Muzio

Presentation

Incidental finding on ultrasound.

Patient Data

Age: 20 years
Gender: Female
Ultrasound

Liver ultrasound (selected images)

There is an ill-defined hypoechogenic mass lesion in the liver segment VIII that shows some internal vascularity, perhaps with a central feeding vessel. The remainder of the liver was unremarkable, with no other focal lesions or cirrhosis (not shown). 

CT

CT Abdomen (selected images)

CT confirms a hypervascular lobulated mass in the segments IVA/VIII that becomes homogeneous to the liver parenchyma on the portal venous phase. The remainder of the liver and abdomen was normal (not shown). 

MRI

MRI Liver (Primovist)

The lesion is shown to be isointense to the background liver on T2, slightly hypointense on T1, and having prominent hepatobiliary contrast uptake. Also, no diffusion restriction and no drop of the signal on IP-OOP sequences. 

Case Discussion

The MRI imaging features are those of a focal nodular hyperplasia

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Case information

rID: 59344
Published: 10th Apr 2018
Last edited: 11th Jul 2018
Inclusion in quiz mode: Included
Institution: Alfred Hospital

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