Differentiating malignant and benign focal liver lesions in children using CEUS LI-RADS combined with serum alpha-fetoprotein

Table 3 All focal liver lesions in contrast-enhanced ultrasound liver imaging reporting and data system categorization and distribution of elevated alpha-fetoprotein

CEUS LI-RADS	No. of nodules (n = 63)	No. of malignant lesions (n = 22)	No. of benign lesions (n = 41)	AFP > 20 ng/mL (n = 16)
LR-1	4	0	4	0
LR-2	0	0	0	0
LR-3	8	0	8	0
LR-4	23	0	23	2
LR-5	22	18	4	13
LR-M	6	4	2	1

FLLs: Focal liver lesions; CEUS LI-RADS: Focal liver lesions in contrast-enhanced ultrasound liver imaging reporting and data system; AFP: Alpha-fetoprotein.