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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Radioterapia con partículas cargadas

Charged-particle radiation therapy (… PAR-tih-kul RAY-dee-AY-shun THAYR-uh-pee)
A type of external radiation therapy that uses a special machine to make invisible, high-energy particles (protons or helium ions) that kill cancer cells. This type of radiation may cause less damage to nearby healthy tissue than radiation therapy with high-energy x-rays.



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.