Intraoperative transrectal diagnostic ultrasonography from HIFU device demonstrating the rectal tumour before treatment and hyperechoic changes after treatment in the sector targeted, confirming cavitation and tissue ablation. The Sonablate® 500 HIFU device is able to generate diagnostic ultrasonography and therapeutic HIFU simultaneously from the same transducer.
(A) Transverse and (B) sagittal intraoperative transrectal diagnostic ultrasonography and treatment planning template from the HIFU device, demonstrating the rectal tumour before treatment; (C) transverse and (D) sagittal intraoperative transrectal diagnostic ultrasonography from the HIFU device, demonstrating the rectal tumour after treatment with hyperechoic changes confirming cavitation and tissue ablation.