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Table 2 Dose constraints of Organs-at-Risk

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

Dmax≤40Gy

Retina, 1-sided

Dmax≤35Gy

Optic nerves, chiasm

Dmax≤35Gy

Optic nerve, 1-sided

Dmax≤35Gy

  1. Abbreviations: Dmax Maximum dose of Organs-at-Risk, Dmean Mean dose of the hippocampus