2017_SBRT_Course Book

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

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

12

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