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Table 2 Transmitted dose through tissue substitute materials, measured and simulated with manufacturer’s data (Gammex) and the ρZeff tissue assignment method. EBT3 measurement uncertainty was 3.2% [10]

From: A new tissue segmentation method to calculate 3D dose in small animal radiation therapy

   Manufacturer’s data ρZeff based tissue assignation method
Tissue substitutes EBT3 (Gy) MC dose (Gy) Stat. Uncert. MC/EBT3 relative difference MC/EBT3 absolute difference (Gy) MC Dose (Gy) Stat. Uncert. MC/EBT3 relative difference MC/EBT3 absolute difference (Gy)
CT solid water 4.58 4.61 1.4% 0.5% 0.03 4.51 1.3% −1.5% −0.07
Inner bone 3.44 3.50 1.5% 1.7% 0.06 3.41 1.5% −1.0% −0.03
Cortical bone 1.40 1.38 2.0% −1.8% −0.02 1.42 2.1% 1.3% 0.02
CB2 50% 1.99 1.93 1.8% −3.0% −0.06 2.02 1.8% 1.5% 0.03
CB2 30% 2.73 2.72 1.6% −0.4% −0.01 2.80 1.6% 2.6% 0.07
Breast 4.93 4.91 1.3% −0.4% −0.02 4.75 1.3% −3.6% −0.18
B200-bone 3.41 3.49 1.5% 2.4% 0.08 3.45 1.5% 1.1% 0.04
Adipose 5.29 5.35 1.3% 1.3% 0.07 5.29 1.3% 0.1% 0.01