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how we produce our information| Radiotherapy| for cancer of the
prostate is usually given from an external machine (external
beam radiotherapy). But for some men with early prostate cancer
it can be given by inserting small radioactive seeds into the
tumour (brachytherapy). Radiotherapy| treats cancer by using
high-energy x-rays to destroy the cancer cells, while doing as
little harm as possible to normal cells. Radiotherapy for
prostate cancer is usually given as external beam radiotherapy.
There are other, newer types of external beam radiotherapy, but
these aren’t available at every NHS hospital. These include
conformal radiotherapy (CRT)| and intensity-modulated radiation
therapy (IMRT)|. Some men with early prostate cancer have
brachytherapy|. This is when small radioactive seeds are
inserted into the tumour. External radiotherapy and
brachytherapy appear to be equally effective in curing prostate
cancer. Your doctor may suggest that you have