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Table 3 Dose metrics for the organs at risk in the imaging scenarios (mean ± standard deviation, range)

From: Imaging dose and secondary cancer risk in image-guided radiotherapy of pediatric patients

Organ Criteria Scenario1 Scenario 2 Scenario 3 Scenario 4 Scenario 5 Scenario 6
Lung le D mean [Gy] 9.13 ± 4.88 (2.62–17.43) 9.27 ± 4.90 (2.74–17.54) 9.17 ± 4.90 (2.65–17.53) 9.28 ± 4.96 (2.74–17.80) 9.39 ± 5.01 (2.81–17.98) 10.46 ± 5.62 (3.59–20.25)
V20Gy [%] 9.72 ± 12.07 (0.00–32.26) 11.04 ± 12.55 (0.00–32.55) 9.91 ± 12.20 (0.00–32.54) 10.33 ± 12.52 (0.00–33.34) 10.73 ± 12.74 (0.00–33.84) 14.63 ± 15.05 (0.00–40.55)
V10Gy [%] 39.27 ± 27.78 (2.33–88.37) 40.03 ± 27.99 (2.44–88.88) 39.46 ± 27.92 (2.35–88.85) 39.89 ± 28.27 (2.43–90.16) 40.36 ± 28.54 (2.49–91.08) 44.55 ± 30.80 (3.20–98.92)
V5Gy [%] 59.29 ± 29.06 (11.03–100) 60.2 ± 29.24 (11.92–100) 59.46 ± 29.06 (11.23–100) 59.9 ± 28.97 (11.92–100) 60.38 ± 29.01 (12.38–100) 67.28 ± 30.31 (20.45–100)
D 2% [Gy] 20.81 ± 6.98 (3.33–31.78) 20.96 ± 6.96 (3.43–31.84) 20.85 ± 6.99 (3.37–31.84) 20.98 ± 7.03 (3.45–32.05) 21.14 ± 7.07 (3.47–32.11) 22.12 ± 7.39 (4.33–34.14)
Lung ri D mean [Gy] 9.2 ± 6.10 (1.58–18.66) 9.33 ± 6.12 (1.65–18.72) 9.24 ± 6.12 (1.61–18.74) 9.29 ± 6.08 (1.68–18.60) 9.38 ± 6.18 (1.65–18.99) 10.43 ± 6.62 (2.26–20.98)
V20Gy [%] 10.1 ± 13.08 (0.00–38.70) 10.6 ± 13.14 (0.00–38.89) 10.2 ± 13.68 (0.00–38.92) 10.62 ± 13.44 (0.00–39.56) 10.9 ± 13.52 (0.00–39.67) 15.32 ± 16.26 (0.00–46.67)
V10Gy [%] 41.13 ± 35.44 (0.00–98.93) 41.86 ± 35.30 (0.00–98.94) 41.26 ± 35.47 (0.00–98.93) 41.52 ± 35.55 (0.00–98.95) 41.70 ± 35.51 (0.00–98.96) 45.4 ± 36.36 (0.00–99.12)
V5Gy [%] 56.29 ± 35.96 (0.00–100) 57.13 ± 36.30 (0.00–100) 56.45 ± 35.96 (0.00–100) 56.8 ± 35.90 (0.00–100) 57.03 ± 35.95 (0.00–100) 62.4 ± 36.23 (0.00–100)
D 2% [Gy] 20.5 ± 8.66 (3.33–31.78) 20.64 ± 8.65 (3.43–31.84) 20.54 ± 8.67 (3.37–31.48) 20.65 ± 8.70 (3.45–32.05) 20.72 ± 8.73 (3.47–32.11) 21.72 ± 9.24 (4.33–34.14)
Breast le D mean [Gy] 3.10 ± 2.84 (0.74–7.06) 3.19 ± 2.81 (0.87–7.10) 3.13 ± 2.86 (0.76–7.11) 3.29 ± 2.95 (0.89–7.44) 3.38 ± 3.01 (0.94–7.62) 4.27 ± 3.53 (1.60–9.34)
D 2% [Gy] 12.60 ± 5.65 (8.85–20.89) 12.67 ± 5.53 (9.01–20.75) 12.56 ± 5.59 (8.86–20.75) 12.76 ± 5.66 (9.02–21.05) 12.86 ± 5.70 (9.08–21.21) 13.93 ± 6.12 (9.90–22.89)
Breast ri D mean [Gy] 5.81 ± 4.80 (1.37–11.53) 5.89 ± 4.82 (1.41–11.67) 5.83 ± 4.81 (1.38–11.56) 6.0 ± 4.85 (1.49–11.73) 6.01 ± 4.86 (1.50–11.75) 6.97 ± 5.13 (2.16–12.82)
D 2% [Gy] 16.08 ± 6.12 (9.84–21.41) 16.18 ± 6.12 (9.90–21.43) 16.09 ± 6.12 (9.85–21.43) 16.28 ± 6.17 (9.99–21.43) 16.34 ± 6.19 (10.03–21.70) 17.41 ± 6.46 (10.83–23.31)
Parotid le D mean [Gy] 5.25 ± 7.94 (0.17–18.71) 5.29 ± 7.92 (0.20–18.75) 5.28 ± 7.93 (0.20–18.71) 5.36 ± 7.91 (0.27–18.72) 5.38 ± 7.92 (0.21–18.72) 5.98 ± 7.82 (0.55–18.78)
D 2% [Gy] 6.68 ± 9.76 (0.24–21.78) 6.74 ± 9.53 (0.36–21.82) 6.71 ± 9.75 (0.28–21.78) 6.66 ± 9.70 (0.40–21.78) 6.86 ± 9.71 (0.41–21.79) 7.62 ± 9.52 (1.20–21.86)
Parotid ri D mean [Gy] 3.77 ± 5.96 (0.39–16.50) 3.81 ± 5.95 (0.43–16.53) 3.80 ± 5.95 (0.42–16.50) 3.89 ± 5.92 (0.50–16.51) 3.90 ± 5.92 (0.45–16.51) 4.51 ± 5.74 (0.77–16.57)
D 2% [Gy] 5.50 ± 7.92 (0.62–21.41) 5.48 ± 7.92 (0.73–21.46) 5.48 ± 7.91 (0.66–21.42) 5.58 ± 7.88 (0.78–21.43) 5.59 ± 7.87 (0.79–21.43) 6.37 ± 7.60 (1.59–21.49)
OED 0.79 ± 0.82 (0.14–2.20) 0.81 ± 0.81 (0.20–2.20) 0.81 ± 0.82 (0.16–2.20) 0.84 ± 0.80 (0.22–2.20) 0.84 ± 0.80 (0.22–2.20) 1.05 ± 0.70 (0.36–2.20)
EAR 0.43 ± 0.47 (0.08–1.31) 0.43 ± 0.47 (0.09–1.31) 0.43 ± 0.47 (0.09–1.28) 0.45 ± 0.46 (0.11–1.31) 0.45 ± 0.46 (0.10–1.31) 0.55 ± 0.42 (0.16–1.31)
Pharynx D mean [Gy] 6.51 ± 7.52 (0.72–19.34) 6.56 ± 7.50 (0.84–19.38) 6.53 ± 7.49 (0.75–19.34) 6.62 ± 7.49 (0.87–19.35) 6.66 ± 7.48 (0.93–19.36) 7.38 ± 7.28 (2.05–19.43)
D 2% [Gy] 12.28 ± 7.29 (1.06–21.05) 12.37 ± 7.24 (1.18–21.11) 12.31 ± 7.28 (1.09–21.06) 12.48 ± 7.25 (1.22–21.06) 12.39 ± 7.19 (1.27–21.07) 13.33 ± 6.95 (2.41–21.15)
Spinal cord D 2% [Gy] 19.66 ± 7.97 (6.36–29.53) 19.8 ± 7.97 (6.46–29.60) 19.71 ± 7.99 (6.40–29.61) 19.81 ± 8.02 (6.48–29.80) 19.89 ± 8.05 (6.50–29.90) 21.17 ± 8.43 (7.41–31.67)