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.

CT: Typical, large, in steatosis

Imaging Findings:

CT demonstrates diffuse hepatic steatosis with hyperdense appearing FNH relative to surrounding hypodense hepatic parenchyma. Note also the hypodense central scar.