Abstract
Objective: To estimate the risk of breast cancer associated with diagnostic radiation in carriers of BRCA1/2 mutations. Design: Retrospective cohort study (GENE-RAD-RISK). Setting: Three nationwide studies (GENEPSO, EMBRACE, HEBON) in France, United Kingdom, and the Netherlands, Participants: 1993 female carriers of BRCA1/2 mutations recruited in 2006-09. Main outcome measure: Risk of breast cancer estimated with a weighted Cox proportional hazards model with a time dependent individually estimated cumulative breast dose, based on nominal estimates of organ dose and frequency of self reported diagnostic procedures. To correct for potential survival bias, the analysis excluded carriers who were diagnosed more than five years before completion of the study questionnaire. Results: In carriers of BRCA1/2 mutations any exposure to diagnostic radiation before the age of 30 was associated with an increased risk of breast cancer (hazard ratio 1.90, 95% confidence interval 1.20 to 3.00), with a dose-response pattern. The risks by quarter of estimated cumulative dose
| Original language | English |
|---|---|
| Article number | e5660 |
| Journal | Bmj |
| Volume | 345 |
| Issue number | 7878 |
| DOIs | |
| Publication status | Published - 13 Oct 2012 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
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