977 / 1138
5
SBRT for re-irradiation
Frequency of Re-irradiation
•
No data on the overall frequency of re-irradiation in clinical
practice
•
However, even in a palliative setting of spinal metastases
Re-irradiation is practiced in only few patients:
−
After multiple fraction RT:
8%
−
After Single fraction RT: SF:
20%
Most likely explanation:
Risk / fear of severe normal tissue complications
Chow JCO 2007
Re-irradiation