From: Radiation dosimetry of 18F-FDG PET/CT: incorporating exam-specific parameters in dose estimates
Organ | Dose from 18F-FDGa | Dose from CTb | Total dose | |||
---|---|---|---|---|---|---|
Male (n = 49) | Female (n = 49) | Male (n = 49) | Female (n = 49) | Male (n = 49) | Female (n = 49) | |
Adrenals | 5.0 ± 0.6 | 5.9 ± 1.1 | 17.6 ± 3.7 | 13.5 ± 5.5 | 22.6 ± 3.4 | 19.4 ± 5.0 |
Brain | 15.9 ± 2.1 | 16.6 ± 3.6 | 21.0 ± 4.4 | 16.1 ± 6.5 | 36.9 ± 3.6 | 32.8 ± 5.5 |
Breasts | 3.6 ± 0.5 | 4.2 ± 0.9 | 15.7 ± 3.3 | 12.0 ± 4.8 | 19.3 ± 3.0 | 16.2 ± 4.4 |
Gallbladder wall | 5.4 ± 0.7 | 6.0 ± 1.2 | 18.7 ± 3.9 | 14.4 ± 5.8 | 24.1 ± 3.1 | 20.4 ± 5.2 |
Colon | 4.9 ± 0.6 | 5.8 ± 1.1 | 17.5 ± 3.7 | 13.5 ± 5.5 | 22.4 ± 3.4 | 19.3 ± 5.0 |
Small intestine | 5.1 ± 0.6 | 5.6 ± 1.1 | 17.5 ± 3.7 | 13.5 ± 5.5 | 22.6 ± 3.4 | 19.1 ± 5.0 |
Stomach wall | 4.7 ± 0.6 | 5.4 ± 1.1 | 18.6 ± 3.9 | 14.4 ± 5.8 | 23.3 ± 3.6 | 19.8 ± 5.3 |
Heart wall | 29.0 ± 4.1 | 34.4 ± 7.7 | 20.0 ± 4.2 | 15.3 ± 6.2 | 48.9 ± 3.8 | 49.7 ± 6.4 |
Kidneys | 4.4 ± 0.5 | 5.2 ± 1.0 | 19.1 ± 4.0 | 14.7 ± 6.0 | 23.5 ± 3.8 | 19.9 ± 5.5 |
Liver | 8.9 ± 1.2 | 10.7 ± 2.2 | 17.9 ± 3.8 | 13.8 ± 5.6 | 26.8 ± 3.3 | 24.5 ± 4.7 |
Lungs | 8.3 ± 1.1 | 9.8 ± 2.1 | 20.0 ± 4.2 | 15.3 ± 6.2 | 28.3 ± 3.7 | 25.1 ± 5.2 |
Muscle | 4.2 ± 0.5 | 4.8 ± 1.0 | 12.5 ± 2.7 | 9.6 ± 3.9 | 16.7 ± 2.4 | 14.4 ± 3.4 |
Ovaries/Testesc | 4.6 ± 0.6 | 6.8 ± 1.3 | 3.5 ± 0.7 | 12.6 ± 5.1 | 8.1 ± 0.6 | 19.4 ± 4.5 |
Pancreas | 5.2 ± 0.6 | 6.1 ± 1.2 | 17.2 ± 3.6 | 13.2 ± 5.3 | 22.4 ± 3.3 | 19.3 ± 4.8 |
Red marrow | 4.1 ± 0.6 | 4.7 ± 1.1 | 14.6 ± 3.0 | 11.2 ± 4.5 | 18.7 ± 2.7 | 15.9 ± 3.9 |
Osteogenic cells | 6.1 ± 1.2 | 7.1 ± 2.1 | 26.4 ± 5.5 | 20.3 ± 8.2 | 32.6 ± 4.8 | 27.5 ± 7.0 |
Skin | 3.2 ± 0.4 | 3.6 ± 0.7 | 11.1 ± 2.3 | 8.6 ± 3.4 | 14.2 ± 2.1 | 12.2 ± 3.1 |
Spleen | 5.2 ± 1.08 | 5.1 ± 1.0 | 17.4 ± 3.7 | 13.4 ± 5.4 | 21.7 ± 3.4 | 18.5 ± 4.9 |
Thymus | 4.4 ± 0.5 | 5.5 ± 1.1 | 21.8 ± 4.6 | 16.9 ± 6.8 | 26.6 ± 4.3 | 22.5 ± 6.2 |
Thyroid | 4.2 ± 0.5 | 4.3 ± 0.9 | 28.0 ± 5.8 | 21.6 ± 8.7 | 32.2 ± 5.6 | 25.9 ± 8.2 |
Urinary bladder wall | 59.1 ± 3.7 | 78.9 ± 9.2 | 18.5 ± 3.9 | 14.2 ± 5.7 | 77.7 ± 4.8 | 93.1 ± 10.2 |
Uterus | - | 8.6 ± 1.6 | - | 13.8 ± 5.8 | - | 22.4 ± 4.9 |
Effective dosed | 8.1 ± 0.8 | 9.9 ± 1.6 | 17.4 ± 3.7 | 13.4 ± 5.5 | 25.5 ± 3.4 | 23.4 ± 4.9 |