Selective Internal Radiation Therapy
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Selective internal radiation therapy (SIRT) is a form of radiation therapy used to treat cancer. It is generally for selected patients with unresectable cancers, those that cannot be treated surgically, especially hepatic cell carcinoma or metastasis to the liver. The treatment involves injecting tiny microspheres of radioactive material into the arteries that supply the tumor. The microspheres themselves are made of glass or resin. The resin material tends to embolize more easily and thus can be used to stop blood supply to the tumors. Inside the microsphere is the isotope yttrium-90, which has beta-emission with a half-life of 2.6 days.…mehr

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Produktbeschreibung
Selective internal radiation therapy (SIRT) is a form of radiation therapy used to treat cancer. It is generally for selected patients with unresectable cancers, those that cannot be treated surgically, especially hepatic cell carcinoma or metastasis to the liver. The treatment involves injecting tiny microspheres of radioactive material into the arteries that supply the tumor. The microspheres themselves are made of glass or resin. The resin material tends to embolize more easily and thus can be used to stop blood supply to the tumors. Inside the microsphere is the isotope yttrium-90, which has beta-emission with a half-life of 2.6 days.