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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)