Radiation Risk to Children From Computed Tomography



TABLE 1
Estimated Medical Radiation Doses for a 5-Year-Old Child
Imaging AreaEffective Dose, mSvEquivalent No. of CXRs
3-view ankle0.00151/14th
2-view chest0.021
Anteroposterior and lateral abdomen0.05
Tc-99m2 radionuclide cystogram0.189
Tc-99m radionuclide bone scan6.2310
FDG PET3 scan15.3765
Fluoroscopic cystogram0.3316
Head CT4200
Chest CT3150
Abdomen CT5250
  • CXR indicates chest radiograph; Tc-99m, technetium 99m; FDG PET, fluorodeoxyglucose positron emission tomography.

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