Radiotherapy for Adult Medulloblastoma: Evaluation of Helical Tomotherapy, Volumetric Intensity Modulated Arc Therapy, and Three-Dimensional Conformal Radiotherapy and the Results of Helical Tomotherapy Therapy
Table 5
Irradiation dose of OAR: mean (SD).
OAR
Category
Left lens
Tomo
4.75 (0.88)
3.67 (0.57)
100 (0)
69.90 (36.35)
0 (0)
0 (0)
0 (0)
0 (0)
0 (0)
VMAT
4.72 (0.50)
4.31 (0.50)
100 (0)
100 (0)
0 (0)
0 (0)
0 (0)
0 (0)
0 (0)
3D-CRT
3.34 (0.94)
2.92 (0.92)
93.49 (10.66)
34.19 (44.71)
0 (0)
0 (0)
0 (0)
0 (0)
0 (0)
Tomo
4.86 (0.97)
3.83 (0.64)
100 (0)
78.17 (34.88)
0 (0)
0 (0)
0 (0)
0 (0)
0 (0)
Right lens
VMAT
4.92 (0.59)
4.22 (0.49)
100 (0)
100 (0)
0 (0)
0 (0)
0 (0)
0 (0)
0 (0)
3D-CRT
3.79 (1.18)
3.11 (0.99)
99.50 (1.12)
51.10 (47.55)
0 (0)
0 (0)
0 (0)
0 (0)
0 (0)
Tomo
23.75 (3.93)
11.60 (2.39)
100 (0)
96.80 (4.47)
75.64 (9.52)
53.21 (9.37)
37.32 (9.72)
22.05 (9.06)
0.03 (0.08)
Left eye ball
VMAT
15.19 (2.49)
7.21 (1.30)
100 (0)
99.99 (0.02)
45.10 (18.34)
16.52 (10.00)
4.95 (3.80)
0.65 (0.67)
0 (0)
3D-CRT
28.58 (7.32)
7.58 (1.79)
98.42 (2.24)
69.77 (22.76)
31.89 (10.41)
22.63 (9.06)
16.30 (7.55)
11.91 (6.85)
4.42 (3.74)
Tomo
24.79 (3.40)
12.09 (2.09)
100 (0)
97.62 (3.37)
73.99 (6.30)
56.33 (8.13)
40.18 (8.49)
25.16 (7.93)
0.29 (0.58)
Right eye ball
VMAT
17.72 (3.59)
8.85 (3.26)
100 (0)
100 (0)
50.21 (13.79)
20.26 (6.20)
7.84 (3.77)
1.10 (1.56)
0 (0)
3D-CRT
33.66 (3.30)
10.17 (2.87)
98.54 (1.13)
75.66 (17.78)
41.62 (12.74)
32.40 (10.80)
26.53 (9.87)
21.22 (10.22)
11.67 (6.31)
Tomo
11.09 (2.55)
4.09 (0.72)
98.06 (4.35)
56.32 (15.37)
8.63 (4.63)
1.96 (1.92)
0.51 (0.63)
0.20 (0.19)
0.01 (0.01)
Left lung
VMAT
12.10 (2.20)
3.80 (4.59)
92.88 (3.70)
45.74 (5.01)
9.05 (2.74)
2.10 (1.00)
0.64 (0.50)
0.21 (0.21)
0 (0.01)
3D-CRT
14.56 (2.53)
4.42 (0.90)
72.37 (12.45)
42.73 (11.34)
26.87 (10.26)
8.91 (5.09)
1.73 (1.64)
0.44 (0.49)
0.02 (0.04)
Tomo
13.41 (3.20)
4.31 (0.83)
98.25 (3.81)
56.84 (14.69)
12.01 (6.10)
3.63 (3.03)
1.31 (1.35)
0.48 (0.54)
0.01 (0.01)
Right lung
VMAT
14.46 (2.72)
4.08 (0.71)
91.63 (7.84)
49.67 (8.58)
11.22 (4.20)
3.62 (1.57)
1.34 (0.80)
0.51 (0.42)
0.02 (0.03)
3D-CRT
17.18 (3.56)
5.27 (1.18)
77.95 (12.97)
48.95 (11.38)
33.89 (9.40)
14.93 (6.10)
4.77 (3.65)
1.62 (1.83)
0.03 (0.08)
Tomo
11.18 (2.64)
5.45 (0.90)
100 (0)
91.07 (8.18)
21.44 (15.88)
3.95 (6.94)
1.62 (2.38)
0.24 (0.54)
0 (0)
Heart
VMAT
14.44 (6.53)
6.85 (3.0)
100 (0)
86.22 (12.99)
38.56 (33.63)
16.88 (26.68)
8.15 (16.49)
4.19 (9.36)
0.28 (0.64)
3D-CRT
17.03 (3.64)
5.40 (1.07)
73.36 (8.98)
47.40 (11.08)
36.08 (10.64)
21.59 (13.29)
8.07 (6.87)
0.67 (1.04)
0 (0)
Tomo
9.24 (1.66)
3.97 (0.91)
95.78 (9.33)
58.35 (21.37)
7.07 (4.04)
0.66 (0.76)
0.05 (0.10)
0 (0.01)
0 (0)
Liver
VMAT
12.75 (2.68)
4.42 (0.95)
87.83 (9.23)
53.87 (13.51)
18.38 (10.56)
4.96 (4.09)
1.22 (1.23)
0.47 (0.70)
0 (0)
3D-CRT
17.07 (2.78)
5.01 (1.08)
69.19 (13.03)
45.24 (11.78)
31.54 (9.79)
16.95 (7.54)
4.89 (2.73)
0.97 (0.68)
0 (0)
Tomo
8.16 (1.62)
4.96 (0.53)
100 (0)
93.96 (5.04)
9.22 (7.29)
0.09 (0.14)
0 (0)
0 (0)
0 (0)
Stomach
VMAT
14.60 (4.55)
7.19 (2.56)
96.95 (6.80)
85.28 (19.45)
53.20 (31.90)
18.75 (19.52)
4.88 (5.70)
1.20 (1.83)
0 (0)
3D-CRT
17.54 (5.30)
6.43 (2.62)
81.30 (17.83)
57.95 (21.38)
44.47 (17.91)
20.90 (14.30)
7.06 (6.97)
4.10 (5.51)
0 (0)
Tomo
11.25 (2.39)
6.52 (1.30)
100 (0.01)
99.28 (1.60)
39.70 (23.27)
4.91 (4.20)
0.21 (0.31)
0 (0)
0 (0)
Left kidney
VMAT
7.62 (4.82)
3.61 (2.09)
92.09 (9.99)
36.37 (36.44)
9.26 (19.08)
1.81 (3.49)
0.24 (0.46)
0 (0)
0 (0)
3D-CRT
14.45 (6.42)
3.33 (1.27)
70.35 (16.60)
19.05 (14.56)
12.44 (13.79)
9.02 (11.44)
3.49 (4.87)
1.51 (2.14)
0 (0)
Tomo
9.43 (1.46)
6.15 (0.78)
100 (0)
99.82 (0.40)
29.92 (9.91)
0.61 (1.08)
0 (0)
0 (0)
0 (0)
Right kidney
VMAT
5.93 (2.22)
3.50 (1.75)
92.61 (9.53)
39.47 (35.46)
6.17 (13.55)
0 (0)
0 (0)
0 (0)
0 (0)
3D-CRT
13.48 (3.78)
4.21 (0.56)
78.08 (17.11)
35.52 (8.48)
25.11 (8.49)
10.41 (7.29)
1.34 (2.24)
0.34 (0.76)
0 (0)
: % prescription dose delivered to percent volume.
