Radioactive iodine

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Radioactive iodine
TermRadioactive iodine
Short definitionradioactive iodine - (pronounced) (RAY-dee-oh-active I-oh-food) radioactive form of iodine that is often used for imaging tests or to treat an overactive thyroid gland, thyroid cancer, and certain other types of cancer. For imaging tests, the patient takes a small dose of radioactive iodine, which builds up in thyroid cells and certain types of tumors and can be detected by a scanner. 
TypeCancer terms
SpecialtyOncology
LanguageEnglish
SourceNCI
Comments


radioactive iodine - (pronounced) (RAY-dee-oh-active I-oh-food) radioactive form of iodine that is often used for imaging tests or to treat an overactive thyroid gland, thyroid cancer, and certain other types of cancer. For imaging tests, the patient takes a small dose of radioactive iodine, which builds up in thyroid cells and certain types of tumors and can be detected by a scanner. To treat thyroid cancer, the patient takes a large dose of radioactive iodine, which kills the thyroid cells. Radioactive iodine is also used in internal radiation therapy for prostate cancer, intraocular (eye) melanoma, and carcinoid tumors. Radioactive iodine is given orally as a liquid or in capsules, by IV, or sealed in seeds that are placed in or near the tumor to kill cancer cells

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