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Article: CT Scans and Radiation Exposure.
- Article from:
- Internal Medicine Alert
- Article date:
- March 15, 2008
CopyrightCOPYRIGHT 2008 A Thomson Healthcare Company. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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CT Scans and Radiation Exposure
Abstract & Commentary
By Mary Elina Ferris, MD
Synopsis: Increasing use of CT scans has led to an increase of radiation exposure to its recipients, potentially causing up to 2% of new cancers, especially in children.
Source: Brenner DJ, Hall EJ. N Engl J Med. 2007;357:2277-2284.
CT scans deliver a larger radiation dose than conventional X-Rays, for example 50 times more from an abdominal CT scan compared to a single anterior-posterior flat abdominal X-Ray (KUB). For neonates this dose may be even doubled. Radiation doses to a particular organ are mathematically calculated in theory and depend on ...