title: The affection on the tissue lesions of difference frequency in dual-frequency high-intensity focused ultrasound (HIFU).
abstract: The lesions induced by dual-frequency high-intensity focused ultrasound (HIFU) in freshly excised porcine livers were investigated and compared with the lesions induced by conventional single-frequency HIFU. The results have shown that using different exposure time resulted in lesions of different sizes in both dual-frequency and single-frequency HIFU modes at the same intensity level (ISAL = 808 W cm(-2)), but the dimensions of lesions in dual-frequency mode were obviously larger than those in single-frequency mode. A much possible explanation was suggested for the results and the possibilities of applications in the future were also discussed in brief.
authors.affiliation: Department of Biomedical Engineering, Shanghai Jiaotong University, Shanghai 200030, China. hejia@sjtu.org
authors.forename: Pei Z
authors.initials: PZ
authors.lastname: He
authors.forename: Rong M
authors.initials: RM
authors.lastname: Xia
authors.forename: Shi M
authors.initials: SM
authors.lastname: Duan
authors.forename: Wen D
authors.initials: WD
authors.lastname: Shou
authors.forename: De C
authors.initials: DC
authors.lastname: Qian
mesh_terms: D000818:Animals; D008099:Liver / Q000473:pathology / Q000528:radiation effects*; D008114:Liver Neoplasms, Experimental / Q000473:pathology / Q000628:therapy; D013552:Swine; D013997:Time Factors; D014464:Ultrasonic Therapy / Q000009:adverse effects* / Q000379:methods*