NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,990 terms related to cancer and medicine.

iodine I 131 Lipiodol
(I-oh-dine … LIH-pee-oh-dol)
A radioactive substance being studied in the treatment of liver cancer. It is a form of poppy seed oil that contains iodine, some of which is the radioactive substance iodine I 131. It builds up in the blood and lymph vessels in the liver and may kill cancer cells. It is a type of radiopharmaceutical. Also called iodine I 131 ethiodized oil.