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Inverse Planning Optimisation
•
Planner decides on required dose coverage with dose
constraints for surrounding structures
➢
Cost function algorithm
•
Upper and lower dose limits are to be nominated
➢
Target structures have both
•
Planning systems allow for dose constraints to be specified
➢
Either as a dose max, mean dose or as a %volume to receive a
specified dose
➢
Can have either a single point, a series of points or a line
Contouring
Additional
Contouring
Field Setup
Optimisation
Dose
Calculation
Plan
Evaluation