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Dictionary of Cancer Terms

View in Spanish: Radioterapia con placa

Plaque radiotherapy (PLAK RAY-dee-oh-THAYR-uh-pee)
A type of radiation therapy used to treat eye tumors. A thin piece of metal (usually gold) with radioactive seeds placed on one side is sewn onto the outside wall of the eye with the seeds aimed at the tumor. It is removed at the end of treatment, which usually lasts for several days

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