![](https://webarchive.library.unt.edu/eot2008/20090513021337im_/http://www.cancer.gov/images/spacer.gif) |
|
![](https://webarchive.library.unt.edu/eot2008/20090513021337im_/http://www.cancer.gov/images/spacer.gif)
iodine I 124 A radioactive isotope of iodine, a nonmetallic element of the halogen group, with an atomic mass of 124 and a half-life of 4.18 days with radioisotopic activity. Selectively accumulating in thyroid tissue, iodine I 124 emits positrons that can be detected by positron emission tomography (PET), allowing localization of thyroid tissue. This radiosiotope also emits gamma rays. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)
![](https://webarchive.library.unt.edu/eot2008/20090513021337im_/http://www.cancer.gov/images/spacer.gif)
Synonyms: | ![](https://webarchive.library.unt.edu/eot2008/20090513021337im_/http://www.cancer.gov/images/spacer.gif) | I-124 iodine 124 | | ![](https://webarchive.library.unt.edu/eot2008/20090513021337im_/http://www.cancer.gov/images/spacer.gif) |
Previous: | iobenguane I 131, iodine 131-6-beta-iodomethyl-19-norcholesterol, iodine I 123, iodine I 123 anti-CEA recombinant diabody T84.66, iodine I 123 iodometomidate | Next: | iodine I 124 chimeric monoclonal antibody G250, iodine I 124 iodo-azomycin galactopyranoside, iodine I 124 iododeoxyuridine, iodine I 125, iodine I 125 anti-EGFR-425 monoclonal antibody |
|
![](https://webarchive.library.unt.edu/eot2008/20090513021337im_/http://www.cancer.gov/images/spacer.gif) |