Impact of cavitation on lesion formation induced by high intensity focused ultrasound

Fan Pengfei¹, Jie Yu¹, Yang Xin¹, Tu Juan^{1, †}, Guo Xiasheng¹, Huang Pintong², Zhang Dong^{1, 3, ‡}

(color online) Longitudinal cross-section images of the lesions in liver samples exposed to HIFU with the fixed acoustic pressure of 7.5 MPa and varied pulse lengths: (a) 2000 cycles, (b) 3000 cycles, (c) 4000 cycles, and (d) 6000 cycles.