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(suh-MAYR-ee-um ...)
![](https://webarchive.library.unt.edu/eot2008/20090514072058im_/http://www.cancer.gov/images/spacer.gif)
| A radioactive substance used in the treatment of bone cancer and bone metastases (cancers that have spread from the original tumor to the bone). Samarium 153 is a radioactive form of the element samarium. It collects in bone, where it releases radiation that may kill cancer cells. It is a type of radioisotope. |
Previous Definitions: | saliva, salivary gland, salivary gland cancer, salpingo-oophorectomy, salvage therapy | Next Definitions: | samarium Sm 153 lexidronam pentasodium, saponin, saquinavir mesylate, sarCNU, sarcoid |
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