Metabolic disorders and breast cancer risk (United States)
A history of acne, hirsutism, or polycystic ovaries increased breast cancer risk, while diabetes diagnosed before age 35 decreased risk and later diagnoses increased it.
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This population-based case–control study examined whether breast cancer risk in women aged 50–75 years (5,659 cases and 5,928 controls) was associated with histories of diabetes mellitus and estrogen-associated conditions (uterine fibroids, endometriosis, gallstones), as well as androgen-associated conditions (acne, hirsutism, polycystic ovaries), using telephone interviews and registry-based recruitment in three U.S. states. Overall, there was no association with diabetes or with endometriosis, uterine fibroids, gallstones, or cholecystectomy, but androgen-related phenomena were associated with increased risk, including higher odds for acne (OR 1.4, 95% CI 1.0–1.9) and polycystic ovaries (OR 1.6, 95% CI 0.8–3.2). The paper’s caveats include reliance on self-reported medical history from interviews, and some estimates had confidence intervals that encompassed no effect. Relevance to endometriosis: endometriosis was one of the estrogen-related disorders specifically tested for association with breast cancer risk, and the study found no overall association.
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Cited by (15)
- Causal effects of genetically predicted endometriosis on breast cancer: a two-sample Mendelian randomization study 2023
- Causal Effects of Genetically Predicted Endometriosis on Breast cancer: A Two-Sample Mendelian Randomization Study 2023
- Endometriosis and cancer: a systematic review and meta-analysis 2020
- Epidemiological and Clinical Risk Factors for Endometriosis 2017
- Laparoscopically Confirmed Endometriosis and Breast Cancer in the Nurses' Health Study II 2016
- Endometriosis and mammographic density measurements in the Nurses’ Health Study II 2016
- Endometriosis and risks for ovarian, endometrial and breast cancers: A nationwide cohort study 2016
- A prospective study of endometriosis and risk of benign breast disease 2016
- Is Endometriosis a Preneoplastic Condition? 2015
- Endometriosis and breast cancer: A survey of the epidemiological studies 2015
- Women with endometriosis have a higher DNA repair capacity and diminished breast cancer risk. 2013
- The association between endometriosis and gynecological cancers and breast cancer: A review of epidemiological data 2011
- SHORT REPORT Risk for breast cancer among women with endometriosis 2007
- Risk for breast cancer among women with endometriosis 2006
- Causes of Infertility as Predictors of Subsequent Cancer Risk 2005
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