Are the studies on cancer risk from CT scans biased by indication? Elements of answer from a large-scale cohort study in France
TLDR
This study suggests that the indication for examinations, whether suspected cancer or PF management, should be considered to avoid overestimation of the cancer risks associated with CT scans.Abstract:
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Radiation Exposure From Pediatric CT Scans and Subsequent Cancer Risk in the Netherlands
Johanna M. Meulepas,Cécile M. Ronckers,Anne M. J. B. Smets,Rutger A.J. Nievelstein,Patrycja Gradowska,Choonsik Lee,Andreas Jahnen,Marcel van Straten,Marie Claire Y. de Wit,Bernard A. Zonnenberg,Willemijn M. Klein,J.H.M. Merks,Otto Visser,Flora E. van Leeuwen,Michael Hauptmann +14 more
TL;DR: Evidence is found that CT-related radiation exposure increases brain tumor risk following exposure to low-dose ionizing radiation from CT scans in childhood, and incidence of brain tumors was higher in the cohort of children with CT scans, requiring cautious interpretation of the findings.
Journal ArticleDOI
Relationship between paediatric CT scans and subsequent risk of leukaemia and brain tumours: assessment of the impact of underlying conditions
Amy Berrington de Gonzalez,J Salotti,Kieran McHugh,Mark P. Little,Richard W Harbron,Choonsik Lee,Estelle Ntowe,Melissa Z. Braganza,Louise Parker,Preetha Rajaraman,Charles A. Stiller,Douglas R Stewart,Alan W. Craft,Mark S. Pearce +13 more
TL;DR: Re-analysis of the cohort with additional clinical data showed an increased cancer risk after low-dose radiation exposure from CT scans in young patients, although there was evidence of some bias in the original risk estimates.
Journal ArticleDOI
Subjecting Radiologic Imaging to the Linear No-Threshold Hypothesis: A Non Sequitur of Non-Trivial Proportion.
TL;DR: The present work calls for ending the radiophobia caused by those asserting the need for dose optimization in imaging: the low-dose radiation of medical imaging has no documented pathway to harm, whereas the LNTH and ALARA most assuredly do.
Journal Article
Report of the United Nations Scientific Committee on the Effects of Atomic Radiation
TL;DR: The country names used in this document are, in most cases, those that were in use at the time the data were collected or the text prepared, but in other cases, the names have been updated, where this was possible and appropriate, to reflect political changes.
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Answers to Common Questions About the Use and Safety of CT Scans
TL;DR: Common questions about CT scanning and radiation are answered to provide physicians with accurate information on which to base their medical decisions and respond to patient questions.
References
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Journal ArticleDOI
Computed Tomography — An Increasing Source of Radiation Exposure
David J. Brenner,Eric J. Hall +1 more
TL;DR: The facts are summarized about CT scans, which involve much higher doses of radiation than plain films, and the implications for public health are summarized.
Book
Statistical Methods in Cancer Research
TL;DR: Statistical methods in cancer research as mentioned in this paper, Statistical Methods in Cancer Research, Statistical methods in Cancer research, Statistical methods for cancer research, کتابخانه مرکزی دانشگاه علوم پزش
Journal ArticleDOI
Statistical methods in cancer research
Journal Article
Statistical methods in cancer research. Volume II--The design and analysis of cohort studies.
N. E. Breslow,N. E. Day +1 more
TL;DR: What do you do to start reading statistical methods in cancer research vol ii the design and analysis of cohort studies?
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Radiation exposure from CT scans in childhood and subsequent risk of leukaemia and brain tumours: a retrospective cohort study
Mark S. Pearce,J Salotti,Mark P. Little,Kieran McHugh,Choonsik Lee,Kwang Pyo Kim,Nicola Howe,Cécile M. Ronckers,Preetha Rajaraman,Alan W. Craft,Louise Parker,Amy Berrington de Gonzalez +11 more
TL;DR: Use of CT scans in children to deliver cumulative doses of about 50 mGy might almost triple the risk of leukaemia and doses ofabout 60 m Gy might triple therisk of brain cancer.