Modern Bt Techniques - Florence 2016

The Dose Volume Histogram:

Dependence on Methodology/Algorithm of RTP

Quasi-Random / Hamilton Sampling in 3D: 5k Points

Random Sampling in 3D:5k Points

Prostate

Urethra

Rectum

50 60 70 80 90 100

50 60 70 80 90 100

50 60 70 80 90 100

3k 5k

70

50 60 70 80 90 100

10k 20k

60

3k 5k 10k 20k

50

70

40

60

30

50

3k

20

70 80 90 100 110 120 130 140 150 20 30 40

40

5k 10k 20k

Volume (%) 10

10 20 30 40

10 20 30 40

10 20 30 40

30

30 40 50 60 70 80 90 100 0

20

Dose (%)

10

Volume (%)

100 105 110 115 120 125 0

Volume (%)

Volume (%)

0 20 40 60 80 100 120 140 0

0 50 100 150 200 250 300 0

0 10 20 30 40 50 60 70 80 90 100 0

Dose (%)

Dose (%)

Dose (%)