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Summary
• Point Kernel algorithms show small deviations versus
Monte Carlo for clinical cases, much more accurate than
Pencil Kernel models
• Collapsed Cone inherent paralellism can efficiently use
Graphical Processor Units for dose calculations literally in
seconds
39
• Accuracy (and speed...) implemention dependent,
depending on the approximations used
• Pencil kernel algorithms frequently used instead of point
kernels, particularly in applications with optimizations, but
will give errors particularly for lung cases