1254 / 1578
/
• No data on the overall frequency of re-irradiation in clinical
practice
• However, even in a palliative setting of spinal metastases
Ø
Re-irradiation is practiced in only few patients:
•
After multiple fraction RT:
8%
•
After Single fraction RT: SF:
20%
Chow JCO 2007
Most likely explanation:
Ø
Risk / fear of severe normal tissue complication
ESTRO SBRT 2017 - Matthias Guckenberger
11
Frequency of re-RT for vertebral
metastases
07.09.17
/
Topics
1.Normal tissue tolerance in re-
irradiation
2.Re-irradiation of spinal metastases
3.Re-irradiation of NSCLC
ESTRO SBRT 2017 - Matthias Guckenberger
12
07.09.17