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Terminology
Planning aim dose
Set of dose and dose/volume constraints for a treatment
• 4 x 7 Gy to D
90
to achieve 84 Gy EQD2 to D
90
for CTV
HR
in cervix
(EBRT BT) +
• 145 Gy to D
90
for prostate LDR
• 8 x 4 Gy to D
90
for breast APBI
Prescribed dose
= reported dose (input dose for dose-response analysis)
Finally accepted treatment plan (which is assumed to be delivered to
an individual patient)
Delivered dose
= dose that produces observable effect (input effect for
dose response analysis)
Actually delivered dose to the individual patient
From ICRU 89
3