Table 3.
Organ equivalent dose and effective dose from 18F-FDG PET/CT with standard CT to adult male and female patients
| Organ | Dose from 18F-FDG, mGya | Dose from CT, mGyb | Total dose, mGy | |||
|---|---|---|---|---|---|---|
| Male (n = 46) | Female (n = 39) | Male (n = 46) | Female (n = 39) | Male (n = 46) | Female (n = 39) | |
| Adrenals | 5.1 ± 0.9 | 6.0 ± 1.0 | 5.3 ± 1.0 | 4.6 ± 0.8 | 10.4 ± 0.9 | 10.6 ± 0.9 |
| Brain | 15.9 ± 3.2 | 17.3 ± 3.2 | 6.0 ± 1.0 | 5.3 ± 0.9 | 21.9 ± 2.8 | 22.6 ± 2.9 |
| Breasts | 3.6 ± 0.7 | 4.3 ± 0.8 | 4.9 ± 0.9 | 4.2 ± 0.7 | 8.4 ± 0.8 | 8.5 ± 0.7 |
| Gallbladder wall | 5.4 ± 1.0 | 6.2 ± 1.8 | 5.6 ± 1.0 | 4.9 ± 0.9 | 11.1 ± 0.9 | 11.1 ± 1.0 |
| Colon | 4.9 ± 0.9 | 5.9 ± 1.0 | 5.2 ± 1.0 | 4.6 ± 0.8 | 10.2 ± 0.9 | 10.5 ± 0.9 |
| Small intestine | 5.1 ± 0.9 | 5.7 ± 1.0 | 5.2 ± 1.0 | 4.6 ± 0.8 | 10.3 ± 0.9 | 10.2 ± 0.9 |
| Stomach wall | 4.7 ± 0.9 | 5.6 ± 1.0 | 5.7 ± 1.0 | 4.9 ± 0.9 | 10.3 ± 0.9 | 10.5 ± 0.9 |
| Heart wall | 29.1 ± 6.2 | 35.4 ± 6.9 | 5.9 ± 1.1 | 5.2 ± 0.9 | 35.0 ± 5.6 | 40.6 ± 6.5 |
| Kidneys | 4.5 ± 0.8 | 5.3 ± 0.9 | 5.8 ± 1.1 | 5.1 ± 0.9 | 10.3 ± 0.9 | 10.3 ± 0.9 |
| Liver | 8.9 ± 1.7 | 11.0 ± 2.0 | 5.6 ± 1.0 | 4.8 ± 0.8 | 14.4 ± 1.4 | 15.8 ± 1.7 |
| Lungs | 8.3 ± 1.7 | 10.0 ± 1.8 | 6.3 ± 1.2 | 5.4 ± 1.0 | 14.6 ± 1.4 | 15.4 ± 1.5 |
| Muscle | 4.2 ± 0.8 | 5.0 ± 0.9 | 3.8 ± 0.7 | 3.3 ± 0.6 | 8.0 ± 0.7 | 8.3 ± 0.7 |
| Ovaries/Testesc | 4.6 ± 0.8 | 7.0 ± 1.2 | 1.1 ± 0.2 | 4.3 ± 0.8 | 5.6 ± 0.8 | 11.2 ± 1.0 |
| Pancreas | 5.2 ± 1.0 | 6.2 ± 1.0 | 5.2 ± 1.0 | 4.5 ± 0.8 | 10.4 ± 0.9 | 10.7 ± 0.9 |
| Red marrow | 4.2 ± 0.9 | 4.8 ± 1.0 | 4.4 ± 0.8 | 3.8 ± 0.7 | 8.5 ± 0.8 | 8.6 ± 0.9 |
| Osteogenic cells | 6.2 ± 1.8 | 67.4 ± 2.0 | 8.0 ± 1.6 | 6.9 ± 1.2 | 14.2 ± 1.5 | 14.3 ± 1.7 |
| Skin | 3.2 ± 0.6 | 3.7 ± 0.7 | 3.4 ± 0.6 | 3.0 ± 0.5 | 6.6 ± 0.6 | 6.7 ± 0.6 |
| Spleen | 4.4 ± 0.8 | 5.2 ± 0.9 | 5.4 ± 1.0 | 4.7 ± 0.8 | 9.8 ± 0.9 | 9.9 ± 0.9 |
| Thymus | 4.8 ± 0.9 | 5.7 ± 1.0 | 6.4 ± 1.2 | 5.6 ± 1.0 | 11.2 ± 1.0 | 11.3 ± 1.0 |
| Thyroid | 4.2 ± 0.8 | 4.4 ± 0.8 | 8.3 ± 1.4 | 7.3 ± 1.3 | 12.4 ± 1.2 | 11.7 ± 1.1 |
| Urinary bladder wall | 59.1 ± 5.2 | 79.5 ± 6.7 | 5.5 ± 1.0 | 4.8 ± 0.8 | 64.6 ± 4.8 | 84.3 ± 6.4 |
| Uterus | – | 8.8 ± 1.4 | – | 4.6 ± 0.8 | – | 13.4 ± 1.2 |
| Effective dosed | 8.1 ± 1.2 | 10.1 ± 1.4 | 5.3 ± 1.0 | 4.6 ± 0.8 | 13.4 ± 1.1 | 14.7 ± 1.2 |
aPatient specific average dose calculated by OLINDA
bPatient specific average dose calculated by ImPACT
cOvaries for female patients/Testes for male patients
dEffective dose in mSv estimated by ICRP Publication 103