1132-1133 / 3107
95%
ICRU-50
planned dose
blurred dose
1.64√(σ
2
+σ
p
2
)-1.64σ
p
Add random errors
M
PTV
= 2.5Σ + 0.7σ
Gauss(√(σ
2
+ σ
2
))
Fluence
Gauss(σ )
Fluence
CTV
2.5Σ
p
p
Water: σ
p
3.2 mm
PTV
|
|
1132-1133 / 3107
95%
ICRU-50
planned dose
blurred dose
1.64√(σ
2
+σ
p
2
)-1.64σ
p
Add random errors
M
PTV
= 2.5Σ + 0.7σ
Gauss(√(σ
2
+ σ
2
))
Fluence
Gauss(σ )
Fluence
CTV
2.5Σ
p
p
Water: σ
p
3.2 mm
PTV