IMRT

Precise dose calculation is still a challenge: Be aware of potential software BUGS!

courtesy P. Lang, C. Heinz (LMU Munich)

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...

Example:

typically challenges for all dose calculation algorithms: small fields, irregular shaped fields (esp. off-axis), high energies (15MV and more)

measured depth dose curve

calculated depth dose curve, 1mm voxel size

calculated depth dose curve, 3mm voxel size

ESTRO IMRT course 2015 Dose Calculation in Static and Rotational IMRT Brussels October 8th, 2015

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