Table 2: Summary of study findings.

Age, gender, past medical history Reason for exam Lesion diagnosis Confirmation Length of follow up Utility score
Rev 1 Rev 2
4-month-old boy, no past medical history Large liver lesion on CT for abdominal distension Hepatoblastoma Biopsy 30 months 1 1
10-month-old boy with hydronephrosis Incidental liver lesion on renal ultrasound Hemangioma None 24 months 1 1
2-year-old boy, no past medical history Liver lesion in ultrasound for abdominal pain/distension Hepatoblastoma Biopsy 1 1
2-year-old boy with history of hemophagocytic lymphohistiocytosis Liver lesions in ultrasound for abnormal liver enzymes Microabscesses Autopsy: ABV/CMV abscesses 1 3
2-year-old boy, no past medical history Large right upper quadrant mass on ultrasound for vomiting and abdominal pain Hepatoblastoma Biopsy 1 1
4-year-old girl, history of Alagille syndrome Routine hepatocellular carcinoma surveillance Regenerative nodules Stable for 4 years 24 months 3 2
6-year-old boy with history of neuroblastoma Liver lesion in CT Focal Nodular Hyperplasia (FNH) Stable for 3 years 18 months 2 3
7-year-old boy with history of hypospadias Incidental liver lesion on renal ultrasound FNH/Adenoma 2 3
8-year-old boy, history of chronic granulomatous disease New liver mass on ultrasound Subcapsular abscess Culture grew aspergillosis Resolved at 1 month follow up CT 1 2
8-year-old boy, history of fanconi anemia MSSA basteremia, liver lesion on CT FNH 3 2
9-year-old boy, history of liver cirrhosis due to cystic fibrosis Liver lesions on recent CT of thechest Mixed micro- and macronodular cirrhosis with regenerative nodules Biopsy of the lesion showed fibrosis 24 months 1 2
9-year-old girl with history of medulloblastoma Liver lesions seen in surveillance CT FNH 36 months 3 3
10-year-old girl with history of juvenile granulosa cell tumor Liver lesion on surveillance CT Fatty infiltration No 3 3
14-year-old girl, no past medical history Liver lesion seen in CT for suspected appendicitis Hemangioma No 1 1
14-year-old girl with history of leukemia, post total body radiation Liver lesions seen on spine MRI FNH 18 months 2 3
14-year-old boy with history of cystic fibrosis Liver lesion seen in ultrasound Mixed micro- and macronodular cirrhosis and regenerative nodules Stable at follow up 40 months 1 2
15-year-old boy, history of splenomegaly Incidental liver lesions on MRI for splenomegaly FNH FNH, stable at follow up 32 months 2 2
16-year-old boy with history of neuroblastoma Surveillance CT scan with liver lesion FNH-like lesion No imaging follow up 2 2
16-year-old male, no past medical history Incidental liver lesion on CT for abdominal pain FNH FNH (never biopsied) 3 3
17-year-old male, post liver transplant for autoimmune hepatitis Liver lesions on ultrasound for abnormal liver enzymes Abscess Biopsy: multiple discrete areas of COAGULATIVE NECROSIS
with adjacent reactive changes of chronic inflammation and portal fibrosis		 1 1
18-year-old male with sickle cell disease Liver lesion on CT FNH No imaging follow up 3 2
19-year-old male with history of neuroblastoma Liver lesion on CT FNH No imaging follow up 3 3