Case 200:   Focal Nodular Hyperplasia (FNH)

Diagnostic Category:

Clinical Presentation:

30 year old woman with incidentally found liver mass on CT of the abdomen and pelvis (not shown) done for crampy right lower quadrant abdominal pain.

US: Non-specific, large, in steatosis

Imaging Findings:

Gray-scale US demonstrates a featureless hypoechoic mass in the background of hepatic steatosis. Color Doppler exam demonstrates no significantly increased internal vascularity.

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