Historical Development of Predictive Dosimetry “Systems”

Developments of logistics and procedures for the distribution of radioactivity by dierent investigators have led to several differing techniques, which are known as systems or schools. A brachytherapy dosimetric system consists of a set of rules for the arrangement of a specic set of radioactive sources in order to deliver a prescribed dose to a designated point or volume of interest. e most commonly used brachytherapy systems for intracavitary and interstitial brachytherapy procedures are described in the next sections.