NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,507 terms related to cancer and medicine.
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- plaque radiotherapy
- listen (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.