Cryotherapy is only available in a few centres in Canada.  Thin needles are inserted into the prostate gland and extremely cold gas is used to freeze the prostate gland. It is allowed to thaw and is then frozen again. This process destroys the cancerous cells and usually takes 1-2 hours, in the operating room. It requires a one-night stay in the hospital and a suprapublic catheter until the associated swelling subsides.

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