Pediatric Radiology

, 41:951 | Cite as

Rebalancing the risks of Computed Tomography and Magnetic Resonance imaging

  • S. Bruce GreenbergEmail author

The concern for fatal cancers caused by ionizing radiation exposure associated with the increased use of CT in children is well documented. Inappropriate adult CT techniques applied to children can result in excessive radiation exposure [1], exposures similar to the dose received by a group of nuclear bomb survivors who later developed an increased cancer rate [2, 3]. CT examinations are projected by some to eventually account for up to 1.5–2.0% of future cancers in the United States [4]. Although only 7% of CT scans are in children, they are expected to account for up to 15% of the additional cancers because of increased life expectancy and sensitivity of children to radiation. Risk estimates for excess cancer mortality from radiation exposure of 1 death per 2,000 scans assume an effective dose of 10 mSv per scan and a risk of 5% per sievert [4].

MRI by contrast is perceived as a panacea for many applications performed by CT because it uses no ionizing radiation. General anesthesia...


Radiation Exposure Appendicitis Ionize Radiation Exposure Anesthesia Risk Excessive Radiation Exposure 
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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  1. 1.Department of RadiologyUniversity of Arkansas for Medical Sciences, Arkansas Children’s HospitalLittle RockUSA

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