What advantage does brachytherapy as a form of radiation therapy have over external beam therapy (also called teletherapy)?

waelhammad

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2022-10-21

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In brachytherapy, the radiation does not have to pass through healthy tissue to reach the tumour
In brachytherapy, there is the choice of using electrons as well as gamma rays.
In teletherapy the energy of the radiation is limited to the energies available from the radionuclide.
In teletherapy the total radiation dose must be given all at the one session.

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waelhammad

2022-10-21

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A: In brachytherapy, the radioactive isotope is placed adjacent to or within the structure to be irradiated, so healthy tissue receives less dose.

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