Treatment of a cancerous tumour by inserting radioactive material into the growth or into neighbouring tissue. Using this method, also called brachytherapy, radiation can be targeted at the diseased area. Radioactive material (usually artificial radioisotopes) contained in wires, small tubes, or seeds is then implanted into or near the diseased tissue under general anaesthesia. The material is left in place for variable amounts of time depending on the radioactive substance and the tumour being treated. (See also intracavitary therapy; radiotherapy.)
Interstitial radiotherapy |
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