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Brachytherapy
Brachytherapy is a minimally invasive procedure where the doctor implants tiny permanent radioactive seeds (about the size of a grain of rice) into the prostate. They irradiate the cancer from inside the gland. The implanted seeds are small enough that they will not be felt by the patient. Depending on your circumstances, either radioactive Iodine (I -125) or palladium (Pd-103) will be used. Brachytherapy is also referred to as interstitial radiation therapy or seed implant therapy.
Before the seeds are implanted under anesthesia, needles containing the seeds are then inserted
through the skin of the perineum (the area between the scrotum
and anus) using ultrasound guidance. The seeds remain in the prostate,
where the radioactive material gives off localised radiation for
a number of months to destroy the prostate cancer.
Seed implantation is an effective treatment for men
with localised prostate cancer. Seed implantation requires no surgical
incision and offers men a short recovery time. Brachytherapy can
be an outpatient procedure, and most men go home the same day as
their treatment. Additionally, most men can
return to their normal activities a few days after treatment.
When is Brachytherapy Used?
Brachytherapy is an option for patients with localised
(organ-confined) prostate cancer. New advances in seed technology
have made available versions of seeds that allow doctors to securely
place them at the border of and adjacent to the prostate.
Interest in brachytherapy has been strong over the past few decades and radiation therapy has been shown to be as effective against prostate cancer. |
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