Modern Bt Techniques - Florence 2016

40

35

30

On the usefulness of organ or organ-wall contouring, DHVs: in the small-volume- part of the graphs, the curves tend to come very close together

25

bladder bladder wall

in cm3 20

15

D10

bext

10

volume

D10

D5

bw

bext

5

D5

= D2

D2

bw

bext

bw

0

30

50

60

70

80

90

10

20

40

100

relative dose

Pat #5

40

Cut off -volume 2-3 ccm

35

30

rectum rectum wall

25

20

in cm3

15

D10

rext

10

D10

D5

rw

rext

volume

5

~ D2

D2

D5

rext

rw

rw

0

30

40

10

20

50

60

70

80

90

100

relative dose

Fig.1

(from: Wachter-Gerstner et al. R&O 2003)