dose-volume

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PAUL SCHERRER INSTITUTPlanning criteria1. Defining target coverageConsider an example target DVH in differentialformFrequency (volume)D 955%D min min95% oftargetreceives95% ofdoseDose95%D maxExample criteria for targetcoverage1. Minimum dose2. Minimum dose-volumecoverage3. Maximum dose spreadChoice of criteria will depend ontype of targetSGSMP/SRO Physics Lectures 2007PD Dr Tony LomaxTreatment plan evaluation
PAUL SCHERRER INSTITUTPlanning criteria2. Normal tissue doseConsider an example normal tissue DVHD meanD maxExample criteria for normal tissuesVolumeV’EUDNoThemorehomogenouslythanvolumeirradiatedV’ todosereceivewhich givesdoseanD’equivalentbiological effectD’1. Maximum dose2. Mean dose3. Maximum or dose-volumecharacteristicsDose4. Biological modelsChoice of criteria will depend on type of normal tissueSGSMP/SRO Physics Lectures 2007PD Dr Tony LomaxTreatment plan evaluation
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