137 / 1816
Advantage over good old wedges ?
f-IMRT Wedged
MU
232
308
Thyroid
1.2cGy 2.8cGy
Contr. breast
5.2
7.9
Mid pelvis
0.2cGy 1.0cGy
Comparison of (physical)
wedged and f-IMRT tangential
fields:
Improved dose homogeneity in
the PTV
Ludwig Strahlenther Onkol. 2008
2.5 cGy = approx 16 CBCTs
(half that value for dynamic wedges)