Administered Activity (MBq), Effective Dose Equivalent (mSv), and Organ Radiation Doses (mGy) for 11C-Methionine
| Age (y) | |||||
| Parameter | 1 | 5 | 10 | 15 | Adult |
| Administered activity | 145 | 225 | 407 | 720 | 740 |
| Effective dose equivalent | 5.8 | 5.0 | 6.5 | 4.8 | 3.7 |
| Red marrow | 0.6 | 0.5 | 0.6 | 0.7 | 0.6 |
| Testes | 5.9 | 8.4 | 13.1 | 3.3 | 1.6 |
| Bladder wall | 21.4 | 17.7 | 20.3 | 23.7 | 20.0 |
| Kidney | 7.8 | 6.7 | 7.9 | 9.6 | 8.1 |
| Liver | 15.0 | 12.1 | 15.5 | 17.2 | 13.3 |
| Pancreas | 22.9 | 15.7 | 22.7 | 19.4 | 14.1 |
| Brain | 1.0 | 1.2 | 1.7 | 2.5 | 2.5 |