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Acceptable plan criteria for prostate IMRT.
| PTV | CTV | |
|---|---|---|
| Ideal | D95 > 81 Gy D99 > 76.95 Gy |
D100 = 81 Gy |
| Mean Dose 81–84.24 Gy |
||
| Minor violation (acceptable) | D90 > 81 Gy or D98 > 76.95 Gy |
D99.0 > 81 Gy |
| Mean Dose 84.24–85.46 Gy |
Minor violation: allowable when organs at risk constraint cannot be met. Dx refers to the dose that covers X percent of the structure. The prescribed dose was 81 Gy. Gy: Grey.
