whole-body computerized tomography (CT)

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Estimated dose to lung or stomach from a single whole-body CT is 14-21 mGy*

* Dose to a body region for which direct evidence exists of increased cancer mortality in atomic bomb survivors.

Estimated risk of cancer from a single whole-body CT is 0.08%

Estimated risk of cancer from 30 annual whole-body CT is 1.9%

Lung cancer would be he most common radiation-induced cancer.

Findings of review of 1192 reports:

More general terms


  1. Journal Watch 24(20):153, 2004 Brenner DJ, Elliston CD. Estimated radiation risks potentially associated with full-body CT screening. Radiology. 2004 Sep;232(3):735-8. Epub 2004 Jul 23. PMID: https://www.ncbi.nlm.nih.gov/pubmed/15273333
  2. Furtado CD, Aguirre DA, Sirlin CB, Dang D, Stamato SK, Lee P, Sani F, Brown MA, Levin DL, Casola G. Whole-body CT screening: spectrum of findings and recommendations in 1192 patients. Radiology. 2005 Nov;237(2):385-94. Epub 2005 Sep 16. PMID: https://www.ncbi.nlm.nih.gov/pubmed/16170016