Physics Bucharest 2017
6/3/2017
The inverse problem
Optimization can be based on a ‘ Cost Function ’ - a figure of merit based on the specification for target and sensitive organ dose requirement.
- Clearly there may be many terms for the target and each OAR, and there may be more than one minimum
ESTRO physics course 2017
25
What will you minimise for PTV?
A. Dose to PTV? B. Mean Dose to PTV? C. Dose difference to prescription dose?
33% 33% 33%
Dose to PTV?
Mean Dose to PTV?
Dose difference to pre...
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