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Suggested dose limits in glioblastoma radiotherapy
OAR
objective
brainstem
D≤54Gy, 1-10cm
3
<59Gy (periph)
chiasm
D
max
<55Gy
cochlea
ideally one side <45Gy
eyes - macula
<45Gy
eyes - lens
ideally <6Gy max 10Gy
lacrimal gland D
max
<40Gy
optic nerves
D
max
≤54Gy, D
max
<55Gy
pituitary
D
max
<50Gy
Specific normal tissue avoidance
Niyazi
et al. 2016, Radiotherapy and Oncology 118 (2016) 35–42