Contrast enhanced ultrasound of hepatocellular carcinoma

Table 1 Sonazoid-enhanced US at a low mechanical index (MI)

Authors	Injection volume of Sonazoid	MI in late phase	Scan starting time in late phase
Moriyasu et al[33]	0.015 mL/kg	0.3-0.5	10 min afterinjection
Korenaga et al[42]	0.01 mL/kg	0.2-0.3	30 min after injection
Hatanaka et al[39]	0.01 mL/kg	0.2	At least 10 min after injection
Maruyama et al[44]	0.0075 mL/kg	0.24-0.3	5-10 min after injection
Numata et al[37]	0.2 mL/body	0.2	At least 5 min after injection

All examinations were conducted using contrast-enhanced phase inversion harmonic US.