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) Calculated and measured lesion area in the gel phantoms. Lateral and longitudinal lesion area generated by HIFU (a) with varied acoustic pressure and the fixed pulse length of 2000 cycles, and (b) with varied pulse length and fixed acoustic pressure of 7.5 MPa.