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Table 4 Mean errors of p CT and estimated mean deviations of WET for different tissue types

From: MRI-based treatment plan simulation and adaptation for ion radiotherapy using a classification-based approach

Tissue Mean error of Δ WET1cm Δ WET5cm Δ WET10cm
  p CT [HU] [mm] [mm] [mm]
air 43.3 0.4 ± 0.3 1.8 ± 0.6 3.6 ± 0.9
“partial volume” 28.6 0.3 ± 0.7 1.4 ± 1.5 2.9 ± 2.1
soft tissue -1.4 -0.02 ± 0.3 -0.1 ± 0.6 -0.2 ± 0.9
soft bone -63.2 -0.4 ± 0.3 -1.8 ± 0.6 -3.7 ± 0.9
bone -223.1 -1.2 ± 0.4 -6.0 ± 0.8 -11.9 ± 1.1
  1. The best combination of contrasts and additional features was used for calculations.