

ESTRO IMRT course 2015
Dose Calculation in Static and Rotational IMRT
Brussels October 8th, 2015
-5-
Precise dose calculation is still a challenge:
Be aware of potential software BUGS!
Example:
depth dose curve
in water
for a central
1x1 cm field
, 6MV
results of a dose calc. algorithm (here: CC) of a widely used commercial TPS...
calculated depth dose curve,
1mm voxel size
measured depth dose curve
calculated depth dose curve,
3mm voxel size
courtesy P. Lang,
C. Heinz
(LMU Munich)
typically challenges for all dose
calculation algorithms:
small fields, irregular shaped
fields (esp. off-axis), high
energies (15MV and more)