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High intensity focused ultrasound: surgery of the future?

¹ Research Registrar, Department of Urology, Churchill Hospital, Oxford, ² Head of Therapeutic Ultrasound, Royal Marsden Hospital, Sutton and ³ Consultant Urologist, Churchill Hospital, Oxford, UK

View larger version (20K): [in a new window]   Figure 1. A schematic representation of high intensity focused ultrasound lesion production.

View larger version (37K): [in a new window]   Figure 2. An example of a high intensity focused ultrasound (HIFU) lesion, created ex vivo in beef liver. Schematic diagram (left) and photograph (right).

View larger version (59K): [in a new window]   Figure 3. Contrast-enhanced MRI of a left renal tumour (arrowed) in a 37-year-old man, (a) before and (b) 2 weeks after extracorporeal high intensity focused ultrasound in Chongqing, China. Note absence of contrast uptake in ablated volume (images provided courtesy of Professor Feng Wu).