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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Radioterapia intersticial

Interstitial radiation therapy (IN-ter-STIH-shul RAY-dee-AY-shun THAYR-uh-pee)
A type of internal radiation therapy in which radioactive material sealed in needles, seeds, wires, or catheters is placed directly into a tumor or body tissue.



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