Table 2.
Fetal radiation dose correlation with risk of childhood cancer as stated by the Health Protection Agency Centre for Radiation Chemical and Environmental Hazards
| Estimated fetal dose (rad) | Radiological examination | Risk of childhood cancer |
|---|---|---|
| 0.0001-0.001 | X-ray (Head and Thoracic spine) CT scan (Head and Neck). Breast Mammography |
< 1 in 1,000,000 |
| 0.001-0.01 | CT pulmonary angiogram Lung ventilation scans |
1 in 1,000,000 to 1 in 100,000 |
| 0.01-0.1 | X-ray (Abdomen, pelvis, hip, and Barium meal) CT scan (Chest and liver) |
1 in 100,000 to 1 in 10,000 |
| 0.1-1 | X-ray (Lumbar spine and Barium enema) CT scan (Abdomen and lumbar spine) Myocardial scan, Bone scan, and Tumor scan |
1 in 10,000 to in 1,000 |
| 1-5 | CT scan (Pelvis and abdomen) Whole body scan |
1 in 1,000 to 1 in 200 |