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26

Conclusion – optimisation techniques

Manual

Conservative and “safe”

Iterative procedure

Dependent on experience of dose planner

Graphical

Fast for small adaptations and fine tuning after manual opt

Beware of:

-

dwell times

-

deviations from standard loading

Inverse

Fast

Requires extra contouring + manual adaptations

Beware of:

-

dwell times

-

high dose regions

-

dose to non-contoured tissue

-

deviations from standard loading