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Question:
What treatment would you offer to the
patient ?
1. RT is no option because of spinal cord
tolerance is reached
2. Palliative RT with 1 x 8Gy
3. Single fraction radiosurgery
4. Multiple fraction SBRT
ESTRO SBRT 2017 - Matthias Guckenberger
5
07.09.17
/
Assumption of spinal cord tolerance:
40Gy
-31 years
20 + 2 Gy
-2 years
62Gy
physical dose
-> 50% recovery
30Gy
residual „damage“
Ø
Maximum dose of 20Gy in 15 fractions
Case example: re-irradiation for verterbral
metastasis
ESTRO SBRT 2017 - Matthias Guckenberger
6
07.09.17