CPB Budapest 2017

Does it mater which Radionuclide? A forgotten Perspective - RBE

RBE

BRT

ERT

60 Co 192 Ir

= 1.0 ≈ 1.3 a ≈ 2.1 a

MV-X-rays = 1.0 p + ≈ 1.1 C-ions ≈ 2.0- 4.0

241 Am

125 I

≈ 2.1 a - 1.4 b

103 Pd

≈ 2.3 a - 1.9 b

40-50 kVp X ≈ 1.4 - 1.5 c

a Wuu et al., Int J Rad Oncol Biol Phys , 36, 689-697, 1996 b Ling et al., Int J Rad Oncol Biol Phys , 32, 373-378, 1995 c Reniers et al., Phys Med Biol , 53, 7125-7135, 2008