breast cancer epidemiology and etiology


103, 129–145. Menstrual and reproductive factors and risk of breast cancer: A case-control study in the Fez region, Morocco. They include: Read about Breast Cancer Signs & Symptoms. Estrogen receptor breast cancer phenotypes in the surveillance, epidemiology, and end results database. Enter your email address below and we will send you your username, If the address matches an existing account you will receive an email with instructions to retrieve your username, I have read and accept the Wiley Online Library Terms and Conditions of Use, A further report on cancer of the breast with special reference to an association with antecedent conditions, History of breast‐feeding in relation to breast cancer risk: a review of the epidemiologic literature, Lactation and cancer of the breast. Lemon et al.28 suggested that the differences in carcinogenic potential of the several chemical forms of estrogen, the so‐called ‘estrogen fractions,’ might be relevant. Turpin, E., Bieche, I., Bertheau, P., Plassa, L. F., Lerebours, F., de Roquancourt, A., et al. Compare this to women: about one in eight women in the U.S. are estimated to get breast cancer at some point in their life. Cancer, The difference was particularly striking in younger women and the follicular phase of the menstrual cycle. (2011). In a large cohort of girls born in Copenhagen, linkage of data from birth certificates, school health examinations and the Danish Cancer Registry identified over 3,000 cases of breast cancer. 2020 Jul 12;13:6805-6817. doi: 10.2147/OTT.S258439. Equivocal tests of one hypothesis that reconciled some of these features through variations in levels of the fractions of estrogen are described. Several risk factors also increase susceptibility towards developing breast cancer. In 1976, Hoover et al.33 published the first evidence of increased risk among women taking replacement estrogens. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. For both radiation and alcohol the evidence of association with breast cancer risk is undeniable. Note that the point of change from increasing to level rates remains in the same age group (50–54) throughout the 20‐year period. 406, 747–752. Breast cancer and dietary patterns: a systematic review. Gutierrez-Fernandez, A., Fueyo, A., Folgueras, A. R., Garabaya, C., Pennington, C. J., Pilgrim, S., et al. Changes in the HER2 gene, can lead to cell and tumor growth, but effective treatment is … Pathological and epidemiological factors associated with advanced stage at diagnosis of breast cancer. Epigenetic epidemiology of cancer. 21, 7593–7597. Three features constitute a conundrum that lies at the center of understanding the etiology of this disease: (i) the role of childbearing; (ii) the place of the ovary; and (iii) the international variation in risks, particularly age‐specific risks. The 3 known causes of human breast cancer, ionizing radiation, exogenous ovarian hormones and beverage alcohol, offer some preventive possibilities but do little to explain the epidemiologic features of the majority of cases of the disease that occur in their absence. (2008). Looking for an author or a specific volume/issue?

2020 Sep 2;11(19):5822-5830. doi: 10.7150/jca.46898. The apparently protective relationship continued well down into the early teen years. Tian Z, He W, Tang J, Liao X, Yang Q, Wu Y, Wu G. Onco Targets Ther. Google Scholar. Of the invasive breast cancers, about 1 in 10 are ILC. 2018 Feb;90:34-62. doi: 10.1016/j.ejca.2017.11.002.
Breast Journal, Engineering a Humanised Niche to Support Human Haematopoiesis in Mice: Novel Opportunities in Modelling Cancer. Globally, breast cancer is both the most commonly occurring cancer and the commonest cause of cancer death among women. Epub 2020 May 12. NCI CPTC Antibody Characterization Program. Dietary Approaches to Stop Hypertension (DASH) diets and breast cancer among women: a case control study. NIH Other hypotheses with a similar objective are needed. Risk factors for breast cancer may be divided into preventable and non-preventable. HHS Although each provides a basis for private action and public policy, their relevance to the etiology of the naturally occurring disease is not clear, and they offer no obvious avenues for new research. LH receptor gene expression is essentially absent in breast tumor tissue: Implications for treatment. Get the latest research from NIH: https://www.nih.gov/coronavirus.  |  Clinicopathological analyses of triple negative breast cancer using surveillance data from the registration committee of the japanese breast cancer society.

Today’s lifestyles, tomorrow’s cancers: Trends in lifestyle risk factors for cancer in low- and middle-income countries. Risk was positively associated with birth weight, height at 8 and 14 years, growth rate around the time of puberty and body mass index at age 14. U.S. Cancer Statistics Data Visualizations Tool It does not provide medical advice, diagnosis or treatment. The association of increased risk with early menarche and the protective effect of early pregnancy point to the significance of events in the early stages of reproductive life, but recent writings by Trichopoulos et al.42, 43 have suggested that we might look even earlier. Hemodynamics in vasculogenic mimicry and angiogenesis of inflammatory breast cancer xenograft. Click here to subscribe to the Breast Cancer News Newsletter! One attempt to reconcile at least 2 of 3 features focused on the paradox that pregnancy, with its associated increase in levels of ovarian hormones, leads to decreased rather than increased breast cancer risk. Cell, New England Journal of Medicine, Current predictions and statistics suggest that both worldwide incidence of breast cancer and related mortality are on the rise. Mammography screening: A major issue in medicine. Druesne-Pecollo, N., Touvier, M., Barrandon, E., Chan, D. S., Norat, T., Zelek, L., et al.

Part of Springer Nature. Clinical significance of mir-21 expression in breast cancer: Sybr-green i-based real-time rt-pcr study of invasive ductal carcinoma. Phyllodes tumor starts in the connective tissue of the breast (compared to carcinomas, which start in the breast ducts or lobules), and are generally benign, but not always. https://doi.org/10.1016/j.canep.2020.101777, https://doi.org/10.1016/j.canep.2020.101727, Friederike Erdmann, ... Jeanette Falck Winther, https://doi.org/10.1016/j.canep.2020.101733, https://doi.org/10.1016/j.canep.2020.101679, https://doi.org/10.1016/j.canep.2019.101662, Selected articles from this journal and other medical research on, Elsevier Novel Coronavirus Information Center, A ten-year study of Retinoblastoma in Uganda: An approach to improving outcome with limited resources, Childhood cancer care in the Middle East, North Africa, and West/Central Asia: A snapshot across five countries from the POEM network, Childhood cancer: Survival, treatment modalities, late effects and improvements over time, Childhood cancer: Estimating regional and global incidence, Supplement: Cancer in Central and South America. Breast cancer in china. Women whose surgery occurred before 35 years of age had only a third of the breast cancer risk of those whose menopause occurred naturally. Breast Cancer: Epidemiology and Etiology. It has been suggested that, in some countries, increases in rates have occurred in a pattern characteristic of generations or ‘birth cohorts,’ that is, as if the increases occurred very early in life and remained characteristic of the generation throughout life.26, 27 This is clearly not the case in Japan, for, if it were, the inflection in the age curve from increasing to level rates would have occurred in later age‐groups in successive periods of time, as later‐born generations came to occupy those age groups. In the U.S., the rate of incidence per 100,000 women for breast cancer is the highest (90), followed by Western Europe (78) and Northern Europe (73). Clipboard, Search History, and several other advanced features are temporarily unavailable. 2020 Aug 6;12(8):2205. doi: 10.3390/cancers12082205. Prostate cancer disparities in South Carolina: early detection, special programs, and descriptive epidemiology. And, if that relative developed the disease at an age younger than 50, then the risk multiplies itself. Cancer Epidemiology is dedicated to increasing understanding about cancer causes, prevention and control.

2005. Alcohol Intake and Abnormal Expression of Brf1 in Breast Cancer. Multivitamin-multimineral supplement use and mammographic breast density. 138, 177–206. Breast Cancer Research and Treatment, The hypothesis of transmission through breast milk is unlikely to have relevance to humans.
CA A Cancer Journal for Clinicians, In Finland, rates continue to increase for 5 years later than in Japan, but again level off at ages above that. Whatever significance events in early life may turn out to have, however, the effect of early childbirth and the variation in the age‐association of the disease over the international picture leave no doubt that some factor or factors operating during and perhaps after reproductive life also have roles to play. Use the link below to share a full-text version of this article with your friends and colleagues.

These numbers reflect the magnitude of breast cancer incidence, its effect on society worldwide and the need for urgency for preventive and treatment measures. https://doi.org/10.1007/s12013-014-0459-6. 14, 2348–2360. Microrna mir-21 overexpression in human breast cancer is associated with advanced clinical stage, lymph node metastasis and patient poor prognosis.

Excess body weight and second primary cancer risk after breast cancer: A systematic review and meta-analysis of prospective studies.

Cancer Epidemiology, It has been predicted that the worldwide incidence of female breast cancer will reach approximately 3.2 million new cases per year by 2050. Molecular portraits of human breast tumours. Breast cancer refers to the formation of malignant tumors in the breast tissue. Among the symptoms are a lump in the breast, a change in the breast’s shape and size, drainage from the nipples, dimpling of the skin, and red patches on the skin of the breast. Evidence that this also occurs in humans first came from Lilienfeld in 195619 and was confirmed by us in 1960.20 Some years later, we compared information on surgical menopause from the US National Health Survey with data on 3500 cases of breast cancer reported to the Connecticut Cancer Registry.21 For all women whose menopause was surgically induced, breast cancer risk was less than half that of women whose menopause occurred naturally. (2012). Pensacola, FL 32502 Qin F, Lao L, Huang M, Tan H, Jin X, Ma X, Zeng J. Exp Ther Med. COVID-19 is an emerging, rapidly evolving situation. Risk factors for breast cancer include increasing age, race, menarche history, breast characteristics, reproductive patterns, hormone use, alcohol use, tobacco use, diet, physical activity, and body habitus. Use of Human Chorionic Gonadotropin in the Prevention of Breast Cancer. Deregulated serum concentrations of circulating cell-free micrornas mir-17, mir-34a, mir-155, and mir-373 in human breast cancer development and progression. Gajdos, C., Tartter, P. I., Bleiweiss, I. J., Bodian, C., & Brower, S. T. (2000). On this basis, because in developed countries included in this analysis the mean lifetime duration of lactation was <9 months, it would be difficult to detect an association of such low magnitude in data from them. The older a woman at the time of her first birth, the higher was her risk in the first 10 years after the birth.