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Inverse Planning - Beam Modeling
•
Dosimetric accuracy of the IMRT plan delivery
depends on the accurate representation of
✓
Beam
Penumbra
– MLC.
✓
transmission and scattering
properties of MLC
✓
Output factor for small field size
.
✓
Accuracy of dose calculation algorithm
.
✓
Approximations of
leaf sequence generation
algorithm.
✓
Leaf positioning accuracy.