2017_SBRT_Course Book

Radiation induced myelopathy

• Appearance of signs/symptoms of sensory or motor deficits, loss of function or pain • Confirmed by magnetic resonance imaging • Occurs 6 months to 3 years after RT

ESTRO SBRT 2017 - Matthias Guckenberger

07.09.17

17

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Spinal cord tolerance in primary radiotherapy

Risk of myelopathy

Kirkpatrick QANTEC IJROBP 2005

50Gy

0.2%

60Gy

6%

Conversion of physical doses into 2Gy equivalent doeses: Ø LQ model with α/β ~ 2Gy

ESTRO SBRT 2017 - Matthias Guckenberger

07.09.17

18

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