Medical Radiation

Medical radiation resources

If you’d like more information about radiation exposure and cancer risk, here are some helpful websites:

Useful illustrations, guidance and tools

Scientific American magazine uses data to illustrate the amount of radiation exposure acquired from different tests and environmental sources.​article/​exposed-graphic-science/

Questions to ask before your CT scan
Toni Brayer, MD​2013/03/​questions-ct-scan.html

Parents need to ask: Is this CT scan necessary?
Catherine Musemeche, MD​/blog/2012/06/​parents-ct-scan.html?_sm_au_=iVV6QrZMLMtjZZL7

The risks of CT scans: what an informed patient should know
Jennifer Gunter, MD​the-risks-of-ct-scans-what-an​-informed-patient-should-know/

Radiation from Cardiac Imaging Tests, Questions You Should Ask
Andrew J. Einstein, MD, PhD
American Heart Association​127/11/e495.full

Questions and answers about radiation exposure for women who may be, or might become, pregnant Health Physics Society​/faqs/pregnancyand​radiationexposure.html

Radiation test calculator tool from the American Society of Radiologic Technologies​calculator/​calculator.php

Environmental Protection Agency tool to estimate your environmental radiation exposure​understand/​calculate.html


When to question CT scans and X-rays
Radiation from these tests can increase your cancer risk​2015/01/when-to-skip-ct​-scans-and-x-rays/​index.htm

Too many CT scans ordered for children with concussions, says new study Cincinnati Children’s Hospital​release/​2014/​concussion-ct-scans-10-13-2014/

How much do CT scans increase the risk of cancer?
Scientific American​article/​how-much-ct-scans​-increase-risk-cancer/

U.S. Food and Drug Administration begins initiative to reduce unnecessary radiation exposure from medical imaging​RadiationSafety/​RadiationDoseReduction/​default.htm

Task force: Hey Washington, you might be getting too much medical care Seattle Post-Intelligencer​bigscience/​2014/10/14/​task-force-hey-washington-you​-might-be-getting-too-much-medical-care/​#27385101=0

Government agencies:

The National Cancer Institute at the National Institutes of Health
CT scan explanation​cancertopics/​factsheet/​detection/​CT

Centers for Disease Control and Prevention
Ionizing Radiation and Diagnostic Examinations fact page​/nceh/radiation/​ionizing.htm

Centers for Disease Control and Prevention
Natural Sources of Radiation fact page​radiation/natural.htm

Environmental Protection Agency
Radiation, ionizing vs. non-ionizing explanation​understand/ionize_nonionize.html

Centers for Disease Control and Prevention
Fact page on UV Radiation​radiation/ultraviolet.htm

Study links:

Radiation Dose Associated With Common Computed Tomography Examinations and the Associated Lifetime Attributable Risk of Cancer
Journal of the American Medical Association​article.aspx?articleid=415384 (opens in new window)

Report on Carcinogens, explaining radiation’s cancer causing properties
U.S. Department of Health and Human Services​LIB%20ScientificPapersShort/​HS-ReportCarcinogens-excerpt-public.pdf (opens in new window)

Study overview: radiation exposure from CT scans in childhood and subsequent risk of leukaemia and brain tumours
The Lancet, medical journal​lancet/article/​PIIS0140-6736(12)60815-0/abstract (opens in new window)

Addressing overutilization in medical imaging.
Department of Radiology, Medical College of Wisconsin​pubmed/​20736333 (opens in new window)

Industry sites:

American Society of Radiologic Technologists

Device manufacturers

Physician-affiliated organization, ABIM Foundation​doctor-patient-lists/

Radiological Society of North America and the American College of Radiology​index.cfm?bhcp=1