2017_SBRT_Course Book
Patterns of failure after spine SBRT Total Failures Adjacant vertebra Epidural Space Pedicles / posterior elements
33%
Ryu 2004
9 / 61
47%
17%
Chang 2007
17 / 74
0%
Gerszten 2007
6 / 51
0%
50%
50%
Nelson 2008
4 / 33
50%
33%
Nguyen 2010
12 / 55
Conclusions: • Safety of treating the involved vertebra only • Areas at risk: epidural space and untreated parts of vertebra
/ ESTRO SBRT 2017 - Matthias Guckenberger
07.09.17
23
Target volume concept of RTOG 0631
Anatomical target volume concept: • Inclusion of „volumes-at-risk“ in target volume • Exclusion of tumors within 3mm distance to spinal cord from practice of single fraction radiosurgery
/ ESTRO SBRT 2017 - Matthias Guckenberger
07.09.17
24
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