Single Biggest Cancer Dictionary in the World

What is cesium Cs-131?

Pronunciation: /ˈsiziəm cs* wən ˈhənərd ənd thirty-one*/

cesium Cs-131

Definition

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.