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Table 4 Organs at risk

From: Comparison of proton therapy techniques for treatment of the whole brain as a component of craniospinal radiation

Index

PSW (Gy(RBE))

PSWO (Gy(RBE))

IMPT (Gy(RBE))

Left cochlea (mean)

36.4 ± 1.3

36.7 ± 1.0

28.6 ± 3.3†

Right cochlea (mean)

36.4 ± 1.4

36.7 ± 0.9

27.4 ± 1.5†

Left lens (max)

22.2 ± 5.5

24.8 ± 6.1*

12.5 ± 4.0†

Right lens (max)

22.8 ± 5.2

25.2 ± 5.9*

12.9 ± 5.0†

Brainstem (max)

39.3 ± 2.0

38.8 ± 2.0*

38.4 ± 0.5

  1. Abbreviations: PSW passive scatter with compensator; PSWO passive scatter without compensator; IMPT intensity modulated proton therapy; Data presented as mean ± standard deviation; *significant vs. PSW, †significant vs. PSW or PWO, (p < 0.05), Student’s t-test with Bonferroni correction for multiple comparisons.