Physics Bucharest 2017
Why Monte Carlo Treatment Planning?
OCRs for the 35 mm collimator
Measured @ 15 mm Measured @ 100 mm Measured @ 300 mm Calculated @ 15 mm Calculated @ 100 mm Calculated @ 300 mm
1
Antolak
0.6 0.7 0.8 0.9
When one speeds up the MCTP, it is no more exact
Mohan
0.5
0.4
Approximations introduce no bias Resolutions up to 2 or 3 mm can be reached within a few minutes
Normalized Dose
0.2 0.3
0.1
0
0
5
10
15
20
25
30
35
Position (mm)
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