Table 2.
Prescribed absorbed doses from radiation components for 5-Gy absorbed dose to precancerous tissue and corresponding beam-only irradiation
| Tissue | Boron concentration, ppm | γ-Photons, Gy | Induced protons (14N), Gy | Boron, Gy | Absorbed dose, Gy | |
| Total background | Total | |||||
| MAC-TAC BNCT | ||||||
| Tumor | 66.6 ± 16.1 | 0.9 ± 0.1 | 0.8 ± 0.2 | 19 ± 6 | 1.7 ± 0.2 | 21 ± 6 |
| Precancerous tissue | 11.3 ± 6.2 | 0.9 ± 0.1 | 0.8 ± 0.2 | 3 ± 2 | 1.7 ± 0.2 | 5 ± 2 |
| Normal tissue | 7 ± 5.5 | 0.9 ± 0.1 | 0.8 ± 0.2 | 2 ± 2 | 1.7 ± 0.2 | 4 ± 2 |
| Beam only | ||||||
| Tumor, precancerous tissue, and normal tissue | — | 0.9 ± 0.1 | 0.8 ± 0.2 | — | 1.7 ± 0.2 | 1.7 ± 0.2 |
The mean thermal neutron fluence at the irradiation position was 3.9 × 1012 ± 8 × 1011 n cm−2 and the irradiation time ranged from 8 to 9 min. Values are presented as means ± SD.