Radioactive Beads Deal Cancer a Blow

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Story Summary

When colon cancer spreads, it most often goes to the liver. Today, there’s an option to fight that cancer using millions of tiny, radioactive beads.

The microspheres are filled with the radioactive isotope yttrium-90. In a treatment called radioembolization, the microspheres are injected into a liver tumor that can’t be removed. The beads attach themselves in and around the tumor, emitting a high dose of tumor-killing radiation, with minimal damage to the healthy liver tissue.

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