Fig. 1

Intraoperative tissue changes. Figure depicting intraoperative tissue changes identified using the integrated ultrasound imaging transducer of the Sonablate® 500 HIFU device. Visualisation of hyperechoic transformation at the target site confirms tissue ablation. a Transverse and sagittal still images of the cervical tumour depicting HIFU treatment planning. b Transverse and sagittal still images of the cervical tumour demonstrating post-ablational hyperechoic effects, signifying effective ablation