NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,790 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

Quadramet
(KWAH-druh-met)
A drug used to treat bone pain caused by bone cancer and other cancers that have spread to the bone. It contains a radioactive substance called samarium SM 153. Quadramet collects in bone and gives off radiation that may kill cancer cells. It is a type of radiopharmaceutical. Also called samarium Sm 153 lexidronam pentasodium.