Characterization of focal liver lesions with SonoVue®-enhanced sonography: International multicenter-study in comparison to CT and MRI

Table 1 US equipment and contrast-specific modes

Equipment manufacturer	Scanning mode	No. of patients scanned	Transducer	Mechanical index
Elegra, Siemens	Ensemble contrast imaging (ECI)	25	Convex array	0.10-0.30
			3.5C40H
Aplio, Toshiba	Contrast tissue discrimination (CTD)	24	Convex array	0.1
			PVT375AT
HDI 5000, Philips	Pulse inversion harmonic contrast imaging (PI)	18	Convex array	0.04-0.12
			C5-2
Technos MPX, Esaote	Contrast tuned imaging (CnTI)	18	Convex array	0.09-0.10
			CA430
Logic 9, GE	Coded phase inversion (PI)	16	Convex array	0.09-0.17
			3.5C
SSD-5500, Aloka	Extended pure harmonic detection (E-PHD)	16	Convex array	0.09-0.20
			UST 9126
Sequoia, Siemens	Cadence contrast pulse sequencing (CPS)	7	Convex array	0.15-0.24
			4C1-S
IU 22, Philips	Pulse inversion (PI)	3	Convex array	0.06-0.07
			C5-2