High Intensity Focused Ultrasound [HIFU] is a
new treatment for localised prostate cancer. Over 100 institutes
around the world are now using this technique which is less invasive,
and has less side effects than most other treatments for localised
prostate cancer.
Video - Overview of HIFU Treatment For Prostate Cancer
[1:32]
How HIFU Works
As an acoustic wave passes through tissue, part of it is absorbed
and converted to heat. Using highly focused beams, a very small
focus can be achieved deep in tissues, such as the prostate gland.
With enough heat, the diseased tissue is destroyed by coagulation
necrosis and ablated [removed]. Because it destroys the diseased
tissue non-invasively, it is also known as "Non-invasive HIFU
surgery". HIFU treatment has no effect on surrounding tissue.
Anesthesia is not required. The treatment can be combined with
radiotherapy or chemotherapy.
HIFU is also being used to treat HIFU liver cancer, kidney cancer,
bone cancer and other soft tissue cancer.
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