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Examples of radioisotopes used for HCC transarterial metabolic radiotherapy.
| Radioelements | Half-life (days) | Maximum beta energy (MeV) | Maximum range in tissues (mm) | Gamma energy (KeV) |
|---|---|---|---|---|
| Iodine-131 | 8.05 | 6.06 | 2 | 364 |
| Rhenium-186 | 3.7 | 1.7 | 5 | 137 |
| Rhenium-188 | 0.7 | 2.1 | 10 | 155 |
| Yttrium-90 | 2.67 | 2.2 | 12 | None |
| Holmium-166 | 1.1 | 1.85 | 8.7 | 80.6 |
