Radiation risk of lung cancer screening

Luba Frank, Emmanuel Christodoulou, Ella A. Kazerooni

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


Lung cancer screening with low dose computed tomography (CT) is the only method ever proven to reduce lung cancer-specific mortality in high-risk current and former cigarette smokers. Radiation exposure from annual screening CT examinations and subsequent CT and nuclear medicine testing to further evaluate positive screening CTs is sometimes raised as a reason to avoid screening and is often misunderstood. With all testing, there are potential benefits and risks. As we sit on the brink of widespread adoption of lung cancer screening CT, we aim to explain why the risks associated with radiation exposure from lung cancer screening are very low and should not be used to avoid screening or dissuade individuals who qualify for screening CT to participate in a lung cancer screening program.

Original languageEnglish (US)
Pages (from-to)738-747
Number of pages10
JournalSeminars in Respiratory and Critical Care Medicine
Issue number6
StatePublished - 2013
Externally publishedYes


  • computed tomography
  • lung cancer
  • radiation exposure
  • relative risk
  • screening

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Critical Care and Intensive Care Medicine


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