From: Propensity score-matched analysis comparing hippocampus-avoidance whole-brain radiotherapy plus simultaneous integrated boost with hippocampus‑avoidance whole-brain radiotherapy alone for multiple brain metastases-a retrospective study in multiple institutions
Organs at Risk
Dose constraint
Hippocampus
Dmax≤14Gy
Dmean≤9Gy
Lens 1-sided
Dmax≤9Gy
Brain stem
Dmax≤40Gy
Inner ear 1-sided
Retina, 1-sided
Dmax≤35Gy
Optic nerves, chiasm
Optic nerve, 1-sided