Diapositive 1

Results

3D-CRT Step and

shoot

Sliding

window

RapidArc

PTV

EVAL

V95% 99.7

99.7

99.6

PTV

EVAL

COIN 0.62

0.85

0.86

Ipsilat. breast

V50% 44.1

36.3

35.6

29.4

Ipsilat. lung

V10% 10.1

34.3

35.3

Heart (left)

V5% 1.5

22.6

20.9

48.3

Contralat. breast V5% 0

8.1

8.3

3.1

Contralat. lung V5% 0

8.4

8.3

6.3

good target volume

coverage can be achieved with all four techniques

conformality

is better with the

IMRT

techniques

ipsilateral breast can be better protected with IMRT

techniques (the best is the RapidArc)

contralateral breast and lung receive higher dose with IMRT

techniques than with 3D-CRT