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Brachytherapy is a specialized form of radiation therapy that delivers treatment directly inside or very close to a tumor. Unlike external radiation, which passes through healthy tissues to reach cancer cells, brachytherapy places radioactive sources precisely at the treatment site. This targeted approach allows clinicians to attack cancer cells more effectively while minimizing damage to surrounding healthy organs.
One of the greatest strengths of brachytherapy is its precision. By positioning the radiation source within the body, doctors can administer a high dose to the affected area while significantly reducing exposure elsewhere. This precision makes brachytherapy particularly effective for localized cancers such as prostate, cervical, breast, skin, and certain head and neck cancers. In many cases, it is used as a standalone treatment, while in others it complements surgery or external radiation therapy.
Brachytherapy procedures are typically categorized into two types: temporary and permanent. In temporary brachytherapy, radioactive material is placed…