1103 / 1544
“For prostate and HT, there CAN be a significant dosimetric
effect in the cranio-caudal direction because table speed and
tumor motion are of the same magnitude.” However....
#fx
Movement
Impact (dose)
1/3
<3mm
5%
2/3
<5mm
10%
Correction schemes not feasible!We don’t
know when (which fraction and tiing in the
fraction) to interrupt an correct