Advanced Brachytherapy Physics - Vienna 2016

“Dose-rate falloff differences” as a FN of E

established low-E sources

novel sources

103 Pd 21 keV 125 I 28 keV 131 Cs 30 keV

153 Gd 61 keV Xoft 29 keV esteya41 keV 170 Tm 66 keV 169 Yb 93 keV 101 Rh 121 keV 57 C 124 k V o e

dose increase due to radiation scatter

Luxton and Jozsef, Med. Phys. 26, 2531-2538 (1999)