Estimated Conceptus Doses from Radiographic and Fluoroscopic Exams
From: Radiographics 2007; McCollough CH, et al. Radiation exposure and pregnancy: when should we be concerned? 27: 909-918
Exam |
Dose (mGy) |
Cervical spine (AP, lat) | less than 0.001 |
Extremities | less than 0.001 |
CXR (PA, lat) | 0.002 |
Thoracic spine (AP, lat) | 0.003 |
Abdomen AP (21 cm thick patient) or 33 cm thick patient |
1 3 |
Lumbar spine (AP, lat) | 1 |
Limited IVP | 6 |
Double contrast BE | 7 |
CT PE exam | 0.2 |
Abdominal CT | 4 |
Abdomen and pelvis CT | 25 |
Renal stone reduced dose | 10 |
Bone scan | 4-5 |
Thyroid I-123 scan | 0.1-0.2 |
PET scan | 10-15 |