dose-volume

More documents

Recommendations

Info

PAUL SCHERRER INSTITUTOptimisation criteriaWhat is optimal? An example9 intensity-modulatedbeams, evenly spacedover 360 0Consider a comparison of intensity modulatedprotons (IMPT) and X-rays (IMXT)...Nominal IMPTNominal IMXT3 Target VolumesGross volume: 76GySubclinical: 66GyMicroscopic: 54GyNominal constraintsOptic nerves < 56GyBrainstem < 53GyEyes < 50GyBoth plans calculated with exactly the sameconstraints, but clear differences in dosesSGSMP/SRO Physics Lectures 2007PD Dr Tony LomaxTreatment plan evaluation
PAUL SCHERRER INSTITUTOptimisation criteriaWhat is optimal? An exampleRight globeRelative volume(%)IMPTIMXT 1Single dose weightingfunctionOptimisation makesno attempt to reducedoses below constraint(zero weight)Dose (%)What happens when we use a dose-volume constraint toattempt to match IMXT DVH to IMPT (nominal) DVH?SGSMP/SRO Physics Lectures 2007PD Dr Tony LomaxTreatment plan evaluation
Page 2 and 3: PAUL SCHERRER INSTITUTOverview1. Di
Page 4 and 5: PAUL SCHERRER INSTITUTDisplaying do
Page 6 and 7: PAUL SCHERRER INSTITUTMethods of di
Page 8 and 9: PAUL SCHERRER INSTITUTColour scales
Page 11 and 12: PAUL SCHERRER INSTITUTInteractivity
Page 13 and 14: PAUL SCHERRER INSTITUTDose volume h
Page 15 and 16: PAUL SCHERRER INSTITUTCalculation a
Page 17 and 18: PAUL SCHERRER INSTITUTCalculation a
Page 19 and 20: PAUL SCHERRER INSTITUTProblems and
Page 21 and 22: PAUL SCHERRER INSTITUTProblems and
Page 23 and 24: PAUL SCHERRER INSTITUTIntermediate
Page 25 and 26: PAUL SCHERRER INSTITUTOverview1. Di
Page 27 and 28: PAUL SCHERRER INSTITUTPlanning crit
Page 41: PAUL SCHERRER INSTITUTOptimisation
Page 45 and 46: PAUL SCHERRER INSTITUTOptimisation
Page 47 and 48: PAUL SCHERRER INSTITUTDose based sc
Page 49 and 50: PAUL SCHERRER INSTITUTBiological sc
Page 55 and 56: PAUL SCHERRER INSTITUTPhysical asse
Page 61: PAUL SCHERRER INSTITUTSummary.Plan

dose-volume

Create successful ePaper yourself

Delete template?

Save as template?