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Accumulated dose
a case study (1)
•
1
st
scenario:
Re-irradiation optimized using EQD
2/2
constraints, but
accumulated dose = physical dose
D
2%
(spinal cord) = 53.3Gy (physical dose)
•
2
nd
scenario:
•
3
rd
scenario:
re-irradiation 2017 - D. Verellen
EQD
2/2
: 50 Gy
Dose: 50 Gy
EQD
2/2
: 50 Gy
Dose: 50 Gy