Former premature infant now a toddler with an abdominal mass

CT of hepatoblastoma
Axial (above), coronal (below left) and sagittal (below right) CT with contrast of the abdomen shows a large mass in the right lobe of the liver with punctate calcifications that is heterogenous in appearance and with a low density center, encases the portal veins, and enhances less than the liver.

The diagnosis was hepatoblastoma.