Absorbed Dose Per Unit Injected Activity for Regions of Interest (μGy/MBq)
| Region | 5 mL | 15 mL |
| Brain | 35.55 ± 15.9 | 50.19 ± 4.29 |
| Right lung | 3.64 ± 0.28 | 2.84 ± 0.33* |
| Left lung | 3.49 ± 0.26 | 2.72 ± 0.31* |
| Liver | 3.28 ± 0.34 | 2.15 ± 0.12* |
| Kidneys | 13.70 ± 1.29 | 9.47 ± 0.45* |
| Stomach | 3.34 ± 0.35 | 2.23 ± 0.12* |
| Heart | 2.10 ± 0.10 | 1.54 ± 0.12* |
| Bladder | 5.96 ± 2.01 | 8.66 ± 4.92 |
| Cervical CSF | 150.81 ± 67.9 | 178.04 ± 30.55 |
| Thoracic CSF (upper) | 263.79 ± 63.1 | 207.26 ± 62.17 |
| Thoracic CSF (lower) | 347.09 ± 25.7 | 268.99 ± 17.29* |
| Lumbar CSF | 831.16 ± 200.6 | 373.66 ± 69.65* |
| Brain ventricle CSF | 27.00 ± 12.04 | 38.05 ± 3.24 |
| Effective dose | 3.15 ± 0.13 | 2.79 ± 0.10* |
↵* Statistically significant differences (IS t test, equal variance) observed between 5- and 15-mL groups.
Data are mean ± SD.