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Table 3 Cumulative treatment parameters

From: Analysis of equivalent uniform dose (EUD) and conventional radiation treatment parameters after primary and re-irradiation of malignant glioma

  

RT 1 + Re-RT

Corrected sum

Target structure

N

Median

Maximum

Median

Maximum

EUD (optic chiasm) [Gy]

25

48.8

76.5

29.0

50.3

Maximum dose (optic chiasm) [Gy]

25

57.7

80.3

32.0

53.6

EUD (brainstem) [Gy]

27

57.4

75.3

36.0

56.9

Maximum dose (brainstem) [Gy]

29

74.9

95.2

46.4

72.7

EUD (left optic nerve) [Gy]

26

22.1

60.2

14.2

35.7

Maximum dose (left optic nerve) [Gy]

26

28.0

64.7

15.6

38.1

EUD (right optic nerve) [Gy]

23

20.9

68.3

12.1

41.8

Maximum dose (right optic nerve) [Gy]

24

23.3

79.4

13.3

52.0

EUD (brain) [Gy]

10

73.8

77.3

50.8

53.9

Mean dose (brain) [Gy]

11

37.6

52.7

23.5

32.6

Maximum dose (brain) [Gy]

10

101.5

104.5

69.5

72.8

  1. Various parameters on first and re-irradiation for the patient population are shown.