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Patient selection for SBRT:
Tumor characteristics
Maximum target size
5 cm 6 cm 7cm 8cm 10 cm
No
specific
cut-off
3
1
1
1
1
1
•
Maximum GTV diameter should by < 5cm despite
SBRT of larger lesions is possible in principle
07.09.17
ESTRO SBRT COURSE 2017
13
/
Treatment planning
Mandatory
Mandatory Recommended
Typ B algorithm
for dose calculation
7
1
Evaluation of setup and delivery
uncertainties to determine
site specific
CTV to PTV margin
4
2
Planning CT in
respiration correlated
4D-CT
mode
4
4
07.09.17
ESTRO SBRT COURSE 2017
14