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cesium Cs 131
An unstable radioisotope of cesium (Cs) with radiocytotoxic application. Cs-131 is a gamma photon-emitting radionuclide with high energy and a relatively short half-life of 9.7 days. When used in prostate brachytherapy, Cs-131 demonstrated advantages over other commonly used isotopes. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)
| Synonym: | cesium Cs-131 | ||
| Abbreviation: | 131-Cs | ||
