Radiobiology 2016

Re-irradiation of rat spinal cord

150

adult

140

130

120

immature

110

100

data from:

90

Total ED50 [% of BED]

Ruifrok et al., RTO 23, 1992, 249-256 Van der Kogel et al., IJROBP 8, 1982, 2095-2097 White&Hornsey, Eur J Cancer 16, 1980, 957-962

80

Wong&Hao, IJROBP 37, 1997, 17-179

70

0

1

2

3

4

5

6

7

8

Time after first treatment [months]