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(I-oh-dine ... meh-tuh-I-oh-doh-BEN-zeel-GWAH-nih-deen)
![](https://webarchive.library.unt.edu/eot2008/20090514025041im_/http://www.cancer.gov/images/spacer.gif)
| A radioactive substance that is used in imaging tests, and is being studied in the treatment of cancer. It is a type of radiopharmaceutical. Also called 131I-MIBG. |
Previous Definitions: | inviable, involuntary, involuntary nervous system, iobenguane I 123, iodine | Next Definitions: | iodine I 131 monoclonal antibody BC8, iodine I 131 tositumomab, iododoxorubicin, ionizing radiation, ionomycin |
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