Table 1.
Properties of commonly used radioisotopes in radiotherapy
| Radionuclide | Half-life (Hour) | Emission type | Energy | Range in tissue | Ref. |
|---|---|---|---|---|---|
|
111Indium (111In) |
67.9 | Auger | 2.5–25 keV | 10 µm | (Giovacchini et al. 2012) |
| γ | 173–247 keV | ||||
|
177Lutetium (177Lu) |
161.5 | β− |
E
max = 0.497 MeV E mean = 0.149 MeV |
2 mm | (Giovacchini et al. 2012; Nilsson et al. 2011) |
| γ | 113 ~ 321 keV | ||||
|
188Rhenium (188Re) |
17 | β− | 2.12 MeV | 3.5 mm | (Lin et al. 2014; Phaeton et al. 2016) |
| γ | 155 keV | ||||
|
90Yttrium (90Y) |
64.1 | β− |
E
max = 2.28 MeV E mean = 0.935 MeV |
4.1–11.3 mm | (Giovacchini et al. 2012; Kennedy 2014) |