TABLE III.
Planning results compared with the clinical acceptance criteria in the prostate case.
| Results | ||||
|---|---|---|---|---|
| Acceptance criteria | 7 beams | 15 beams | 30 beams | |
| PTV | % vol ⩾ 78Gy > 95 | 95 | 95 | 95 |
| Rectum | % vol ⩾ 40Gy ⩽ 35 | 31.68 | 30.03 | 29.08 |
| % vol ⩾ 65Gy ⩽ 17 | 3.84 | 3.92 | 3.86 | |
| vol > 79.6Gy ⩽ 1cc | 0 cc | 0 cc | 0 cc | |
| Bladder | % vol ⩾ 40Gy ⩽ 50 | 10.81 | 10.71 | 10.67 |
| % vol ⩾ 65Gy ⩽ 25 | 2.59 | 2.34 | 2.41 | |
| Femoral heads | % vol ⩾ 45Gy ⩽ 1 | 0 (mean: 16.06 Gy) | 0 (mean: 13.03 Gy) | 0 (mean: 12.56 Gy) |
| Seminal vesicle | – | Mean: 30.45 Gy | Mean: 30.26 Gy | Mean: 30.23 Gy |
Note: As seminal vesicle has no specific criteria, its mean dose is shown here.