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Experts at Southampton's university hospitals are using sound waves to treat prostate cancer - without surgery.
Tim Dudderidge, a consultant surgeon at Southampton General Hospital, is among UK doctors performing high intensity focused ultrasound (HIFU) routinely on NHS patients.
The procedure, which sees patients leave hospital the same day, allows surgeons to focus high frequency sound waves directly onto tumours in the prostate gland without affecting healthy surrounding tissue.
Although conventional treatments such as invasive surgery to remove the whole prostate or radiotherapy can effectively treat tumours, patients often suffer side effects such as incontinence or impotence.