Object

Parameters

Standard

Modified (Actual)

Pre

Post

Change

Pre

Post

Change

Case 1

PTV

Volume (cc)

15.1

13.9

−7.9%

15.1

13.9

−7.9%

D98/fr (Gy)

3.39

3.43

+1.2%

3.30

3.41

+3.3%

D50/fr (Gy)

4.03

4.04

+0.2%

4.00

4.00

NC

D2/fr (Gy)

4.18

4.18

NC

4.13

4.13

NC

HI

0.20

0.19

−0.01

0.21

0.18

−0.03

Optic apparatus

Dmax/fr (Gy)

4.00

4.12

+3.0%

3.66

3.69

+0.8%

D0.05cc/fr (Gy)

3.82

3.96

+3.7%

3.37

3.59

+6.5%

D0.1cc/fr (Gy)

3.68

3.88

+5.4%

3.24

3.50

+8.0%

Case 2

PTV1 (Sphenoid)

Volume (cc)

45.8

28.8

−37.1%

45.8

28.8

−37.1%

D98/fr (Gy)

3.68

3.75

+1.9%

3.69

3.62

−1.9%

D50/fr (Gy)

4.11

4.12

+0.2%

4.05

4.00

−1.2%

D2/fr (Gy)

4.52

4.50

−0.4%

4.40

4.41

+0.2%

HI

0.20

0.18

−0.02

0.18

0.20

+0.02

PTV2

(Subtemporal)

Volume (cc)

7.3

3.7

−49.3%

7.3

3.7

−49.3%

D98/fr (Gy)

4.16

4.38

+5.3%

3.88

4.33

+11.6%

D50/fr (Gy)

4.59

4.64

+1.1%

4.43

4.46

+0.7%

D2/fr (Gy)

4.77

4.78

+0.2%

4.53

4.55

+0.4%

HI

0.13

0.09

−0.04

0.15

0.05

−0.10

PTV3a

(Clivus)

Volume (cc)

19.7

NE

NE

19.7

NE

NE

D98/fr (Gy)

2.96

NE

NE

3.14

NE

NE

D50/fr (Gy)

3.41

NE

NE

3.39

NE

NE

D2/fr (Gy)

3.67

NE

NE

3.60

NE

NE

HI

0.21

NE

NE

0.14

NE

NE

Optic nerve

Dmax/fr (Gy)

3.88

4.10

+5.7%

3.7

4.00

+8.1%

D0.05cc/fr (Gy)

3.81

4.04

+6.0%

3.47

3.93

+13.3%

D0.1cc/fr (Gy)

3.77

4.01

+6.4%

3.42

3.87

+13.2%

Retina

Dmax/fr (Gy)

4.12

4.26

+3.4%

3.87

4.08

+5.4%

D0.05cc/fr (Gy)

3.86

4.16

+7.8%

3.60

3.96

+10.0%

D0.1cc/fr (Gy)

3.69

4.07

+10.3%

3.47

3.87

+11.5%