Liver Abnormality in 28-Year-Old Patient

Poll

A 28-year-old woman with a history of nephrolithiasis has an abdomen CT scan to investigate an abnormality in the liver. What is your diagnosis?

A 28-year-old woman with a history of nephrolithiasis has an abdomen CT scan to investigate an abnormality in the liver detected on a prior non-contrast CT performed in the emergency department. She has no other medical issues. Axial images from a contrast-enhanced CT scan are shown below (Figure 1 arterial and Figure 2 delayed phases).

What is your diagnosis?

A. Hepatocellular carcinoma
B. Focal nodular hyperplasia
C. Metastasis
D. Hepatic cyst