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Table 1 Point dose constraints (dose to a volume > 0.03 cm 3 ) for OAR

From: INTRAGO: intraoperative radiotherapy in glioblastoma multiforme – a Phase I/II dose escalation study

Risk organ Maximum point dose (EQD2)
Lenses 7 Gy
Retinae 50 Gy
Optical nerves/chiasm 55 Gy
Brain stem 66 Gy