Table 3.
Mean values of dosimetric parameters of organs at risk (OARs) among the four plans in 20 patients (rounded).
| OARs | Parameters | 2.5FJ | 2.5DJ | 5.0FJ | 5.0DJ |
|---|---|---|---|---|---|
| Spinal cord | Dmax (Gy) | 38 | 38 | 38 | 38 |
| D1cc (Gy) | 35 | 35 | 34 | 34 | |
| Brainstem | Dmax (Gy) | 60 | 61 | 62 | 62 |
| D1cc (Gy) | 54 | 54 | 55 | 55 | |
| Lens | Dmax (Gy) | 6 | 6 | 6 | 6 |
| Optic nerve | Dmax (Gy) | 50 | 44 | 52 | 47 |
| Dmean (Gy) | 34 | 28 | 38 | 31 | |
| Optic chiasm | Dmax (Gy) | 44 | 36 | 51 | 38 |
| Dmean (Gy) | 39 | 31 | 47 | 33 | |
| Eyes | Dmean (Gy) | 10 | 9 | 11 | 10 |
| Parotid | Dmean (Gy) | 40 | 40 | 40 | 40 |
| Pituitary | Dmax (Gy) | 52 | 49 | 56 | 52 |
| Dmean (Gy) | 48 | 43 | 53 | 46 | |
| Temporal lobe | D1cc (Gy) | 63 | 63 | 65 | 65 |
| Dmean (Gy) | 19 | 16 | 24 | 19 | |
| V60Gy (%) | 2 | 2 | 3 | 3 | |
| Hippocampus | Dmax (Gy) | 49 | 47 | 54 | 49 |
| D1cc (Gy) | 29 | 26 | 38 | 31 | |
| Dmean (Gy) | 18 | 15 | 25 | 18 |