BioMed Research International / 2018 / Article / Tab 3

Research Article

The Dosimetric Impact of Shifts in Patient Positioning during Boron Neutron Capture Therapy for Brain Tumors

Table 3

Mean tumor dose () and 80 % dose () with a rotation and tilt of the patient head model to the center of beam exit surface.

Tumor
depth & dose
BL
Gy-Eq
R5
Gy-Eq
(± SD)
R10
Gy-Eq
(± SD)
R15
Gy-Eq
(± SD)
T5
Gy-Eq
(± SD)
T10
Gy-Eq
(± SD)
T15
Gy-Eq
(± SD)
R5 vs. BL
P-value
R10 vs. BL
P-value
R15 vs. BL
P-value
T5 vs. BL
P-value
T10 vs. BL
P-value
T15 vs. BL
P-value

24.4524.33
(± 0.38)
24.19
(± 0.15)
23.72
(± 0.24)
24.30
(± 0.30)
24.30
(± 0.49)
24.66
(± 0.88)
0.370.120.070.300.370.40
20.0020.08
(± 0.16)
20.04
(± 0.09)
19.7
(± 0.16)
20.14
(± 0.26)
20.07
(± 0.59)
20.41
(± 0.58)
0.300.340.120.300.450.25

20.6820.79
(± 0.15)
20.53
(± 0.07)
20.07
(± 0.19)
20.73
(± 0.07)
20.85
(± 0.14)
20.80
(± 0.26)
0.250.100.070.250.170.32
20.0020.12
(± 0.13)
19.79
(± 0.14)
19.21
(± 0.33)
19.98
(± 0.06)
19.91
(± 0.18)
19.71
(± 0.30)
0.330.110.090.160.230.17

BL: baseline; D: dose; R5: 5° rotation; R10: 10° rotation; R15: 15° rotation; T5: 5° tilt; T10: 10° tilt; T15: 15° tilt.

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