Table 2.

Characteristics of the included studies.

									Equipment/
Author	Year	Patients	Lesions	HCC lesions	Lesion size (cm)	Male/ Female	Patient age	Gold standard	MRI	CEUS
Alaboudy	2011	32	50	50	2.6 (0.5–11)	23/9	68.3+8.1 (48–79)	P∗	1.5T/3.0T	Sonazoid
Blondin	2011	33	47	41	NA	25/8	63.2 ± 11.2	P	1.5T	SonoVue
Kawada	2010	13	15	15	NA	10/3	67 (51–77)	P	3.0T	Sonazoid
Leoni	2009	60	75	55	1.8 (1.0–3.0)	52/8	65.2 ± 10	P/I†	1.5T	Sonovue
Mita	2010	29	34	34	1.7 (0.8-2)	13/16	70.5 ± 7.96 (55–84)	P	1.0T	Sonazoid
Seitz	2010	84	82	29	NA	53/31	59.6 (28 – 82)	P	1.5T	SonoVue
Sugimoto	2015	27	27	27	<2	13/14	71.5 (59 – 81)	P	1.0T	Sonazoid
Zhou	2019	98	116	89	<2	67/31	58.13	P/I	3.0T	SonoVue

CT = computed tomography, HCC = hepatocellular carcinoma, MRI = magnetic resonance imaging, NA = not available.

^∗P: pathological follow up.

^†I: imaging follow up.