Tumor characterization and treatment monitoring of postsurgical human breast specimens using harmonic motion imaging (HMI)

Table 1 Main parameters of 1D and 2D HMI/HMIFU systems

	1D HMI/HMIFU	2D HMI/HMIFU
FUS transducer	4.75-MHz single-element transducer	4.5-MHz 93-element FUS phased array
Imaging transducer	7.5-MHz single-element pulse-echo transducer	2.5-MHz 64-element phased array
Parameters
AM frequency	25 Hz	25 Hz
Sampling frequency	100 MHz	80 MHz
Frame rate	1000 Hz	1000 Hz
Acoustic power	11 W	8.7 W
Imaging duration	0.6 seconds	0.6 seconds
Ablation duration	120 seconds	120 seconds

AM amplitude-modulated, FUS focused ultrasound, HMI harmonic motion imaging, HMIFU harmonic motion imaging for focused ultrasound

ISSN: 1465-542X