2017_SBRT_Course Book

Spinal cord tolerance: re-irradiation with hypofractionation ( SBRT) Sahgal IJROBP 2010:

Case-control study: • 5 cases of RM after SBRT • Thecal sack as OAR • Maximum dose to thecal sack • 2Gy equivalent with α/β=2Gy

Clinical Practice: 0% risk of myelopathy if Ø Initial course <50Gy (EQD2/2) Ø SBRT course <25Gy (EQD2/2) Ø Interval >5 months

ESTRO SBRT 2017 - Matthias Guckenberger

07.09.17

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Topics 1.Normal tissue tolerance in re- irradiation

2.Re-irradiation of spinal metastases

3.Re-irradiation of NSCLC

ESTRO SBRT 2017 - Matthias Guckenberger

07.09.17

22

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