Which method involves the internal application of radiation by placing small capsules of radioactive material directly into or near a tumor?
Answer
Brachytherapy
Brachytherapy is a form of internal radiation treatment where small capsules of radioactive materials, such as radium, are implanted directly into or near the site of a tumor. This delivery method allowed for highly localized treatment, which was advantageous compared to the early external beam systems that were often unfocused and scattered. It remains a key technique for treating specific types of superficial tumors.
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