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Pregnancy associated breast cancer

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https://www.readbyqxmd.com/read/28323962/men1-dependent-breast-cancer-indication-for-early-screening-results-from-the-dutch-men1-study-group
#1
Rachel S van Leeuwaarde, Koen Dreijerink, Margreet G Ausems, Hanneke J Beijers, Olaf M Dekkers, Wouter W de Herder, Anouk N van der Horst-Schrivers, Madeleine L Drent, Peter H Bisschop, Bas Havekes, Petra H M Peeters, Ruud M Pijnappel, Menno R Vriens, Gerlof D Valk
Objective: Multiple Endocrine Neoplasia type 1 (MEN1) is associated with an early onset elevated breast cancer risk. This finding potentially has implications for breast cancer screening for females with MEN1. Considering the impact for females with MEN1, regarding distress and anxiety, it is necessary to assess if other risk factors are involved to identify those at greatest risk. Design: A cross-sectional case control study was performed using the Dutch MEN1 cohort, including >90% of the Dutch MEN1 population of 18 years and older...
March 17, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28288183/maternal-use-of-drug-substrates-of-placental-transporters-and-the-effect-of-transporter-mediated-drug-interactions-on-the-risk-of-congenital-anomalies
#2
Aizati N A Daud, Jorieke E H Bergman, Monika P Oktora, Wilhelmina S Kerstjens-Frederikse, Henk Groen, Jens H Bos, Eelko Hak, Bob Wilffert
BACKGROUND: A number of transporter proteins are expressed in the placenta, and they facilitate the placental transfer of drugs. The inhibition of P-glycoprotein (P-gp) was previously found to be associated with an increase in the risk of congenital anomalies caused by drug substrates of this transporter. We now explore the role of other placental transporter proteins. METHODS: A population-based case-referent study was performed using cases with congenital anomalies (N = 5,131) from EUROCAT Northern Netherlands, a registry of congenital anomalies...
2017: PloS One
https://www.readbyqxmd.com/read/28288025/coffee-and-cancer-risk-a-summary-overview
#3
Gianfranco Alicandro, Alessandra Tavani, Carlo La Vecchia
We reviewed available evidence on coffee drinking and the risk of all cancers and selected cancers updated to May 2016. Coffee consumption is not associated with overall cancer risk. A meta-analysis reported a pooled relative risk (RR) for an increment of 1 cup of coffee/day of 1.00 [95% confidence interval (CI): 0.99-1.01] for all cancers. Coffee drinking is associated with a reduced risk of liver cancer. A meta-analysis of cohort studies found an RR for an increment of consumption of 1 cup/day of 0.85 (95% CI: 0...
March 10, 2017: European Journal of Cancer Prevention
https://www.readbyqxmd.com/read/28278319/association-of-the-timing-of-pregnancy-with-survival-in-women-with-breast-cancer
#4
Javaid Iqbal, Eitan Amir, Paula A Rochon, Vasily Giannakeas, Ping Sun, Steven A Narod
Importance: Increasing numbers of women experience pregnancy around the time of, or after, a diagnosis of breast cancer. Understanding the effect of pregnancy on survival in women with breast cancer will help in the counseling and treatment of these women. Objective: To compare the overall survival of women diagnosed with breast cancer during pregnancy or in the postpartum period with that of women who had breast cancer but did not become pregnant. Design, Setting, and Participants: This population-based, retrospective cohort study linked health administrative databases in Ontario, Canada, comprising 7553 women aged 20 to 45 years at the time of diagnosis with invasive breast cancer, from January 1, 2003, to December 31, 2014...
March 9, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28265843/validity-of-self-reported-fertility-threatening-cancer-treatments-in-female-young-adult-cancer-survivors
#5
Samantha C Roberts, Amber Knight, Brian W Whitcomb, Jessica R Gorman, Andrew C Dietz, H Irene Su
PURPOSE: Detailed cancer treatment information is important to fertility and pregnancy care of female young adult cancer survivors. Accuracy of self-report of treatments that impact fertility and pregnancy is unknown. This study assessed agreement between self-report and medical records on receipt of fertility-threatening treatments. METHODS: A national cohort study of female young adult cancer survivors reported cancer treatments via Web-based questionnaires. Primary cancer treatment records were abstracted...
March 6, 2017: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/28264686/reproductive-risk-factors-associated-with-breast-cancer-in-women-in-bangui-a-case-control-study
#6
Augustin Balekouzou, Ping Yin, Christian Maucler Pamatika, Cavin Epie Bekolo, Sylvain Wilfrid Nambei, Marceline Djeintote, Komlan Kota, Christian Diamont Mossoro-Kpinde, Chang Shu, Minghui Yin, Zhen Fu, Tingting Qing, Mingming Yan, Jianyuan Zhang, Shaojun Chen, Hongyu Li, Zhongyu Xu, Boniface Koffi
BACKGROUND: Breast cancer (breast Ca) is recognised as a major public health problem in the world. Data on reproductive factors associated with breast Ca in the Central African Republic (CAR) is very limited. This study aimed to identify reproductive variables as risk factors for breast Ca in CAR women. METHODS: A case-control study was conducted among 174 cases of breast Ca confirmed at the Pathology Unit of the National Laboratory in Bangui between 2003 and 2015 and 348 age-matched controls...
March 6, 2017: BMC Women's Health
https://www.readbyqxmd.com/read/28231427/risk-factors-of-female-breast-cancer-in-vietnam-a-case-control-study
#7
Phuong Dung Yun Trieu, Claudia Mello-Thoms, Jenny K Peat, Thuan Doan Do, Patrick C Brennan
Purpose: Rates of women with breast cancer have increased rapidly in recent years in Vietnam, with over 10,000 new patients contracting the disease every year. This study was conducted to identify demographic, reproductive and lifestyle risk factors for breast cancer in Vietnam. Materials and Methods: Breast density, demographic, reproductive and lifestyle data of 269 women with breast cancer and 519 age-matched controls were collected in the two largest oncology hospitals in Vietnam (one in the north and one in the south)...
February 20, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28220257/impact-of-prior-breast-cancer-on-mode-of-delivery-and-pregnancy-associated-disorders-a-retrospective-analysis-of-subsequent-pregnancy-outcomes
#8
Louis Jacob, Matthias Kalder, Birgit Arabin, Karel Kostev
PURPOSE: The aim of this paper is to analyze the impact of prior breast cancer (BC) on mode of delivery and pregnancy-associated disorders. METHODS: A database from 262 German gynecological practices including 289,712 women between the ages of 18 and 45 with documented pregnancies between 2000 and 2014 was used to search for patients with a history of BC up to 10 years prior to pregnancy. A total of 165 patients with a history of BC were found and matched with 165 patients without a history of any cancer (1:1) by age, physician, obesity, and documented referral to a fertility center up to 12 months before the index pregnancy...
February 20, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28208154/gestational-diabetes-mellitus-may-be-associated-with-increased-risk-of-breast-cancer
#9
Yong-Moon Mark Park, Katie M O'Brien, Shanshan Zhao, Clarice R Weinberg, Donna D Baird, Dale P Sandler
BACKGROUND: Although a positive association between type 2 diabetes and breast cancer has been reported, an association with gestational diabetes mellitus (GDM) is less clear. METHODS: The Sister Study enroled 50 884 women aged 35-74 years, from 2003 through 2009. Cox proportional hazards models were used to estimate breast cancer risk in relation to GDM. RESULTS: Ever having GDM was not associated with breast cancer overall (hazards ratio (HR)=1...
February 16, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28191695/breast-cancer-in-pregnancy-avoiding-fetal-harm-when-maternal-treatment-is-necessary
#10
Christina N Cordeiro, Mary L Gemignani
The management of breast cancer during pregnancy poses unique challenges and requires a multi-disciplinary approach. In this review, we discuss the treatment of breast cancer in pregnancy and recent updates regarding the safety of surgical and chemotherapeutic treatments, including both oncologic and fetal outcomes. The treatment of breast cancer during pregnancy mirrors that outside of pregnancy, with a few important differences dictated by the balance of maternal versus fetal health. Overall, surgical treatment, neo-adjuvant chemotherapy, and/or adjuvant chemotherapy are feasible in most women during pregnancy...
March 2017: Breast Journal
https://www.readbyqxmd.com/read/28170295/after-chemotherapy-treatment-for-maternal-cancer-during-pregnancy-is-breastfeeding-possible
#11
Stephen Stopenski, Anum Aslam, Xinmin Zhang, Elyce Cardonick
OBJECTIVE: To report breastfeeding complaints of women diagnosed with cancer during pregnancy and correlate success with characteristics of their treatment. MATERIALS AND METHODS: This is a prospective cohort study of women diagnosed with cancer during pregnancy who attempted breastfeeding. We surveyed participants about breast engorgement, milk let down, and consistent breast milk production through mailed questionnaires. Treatment details, including the type and number of chemotherapy cycles given during pregnancy and antepartum or postpartum depression, were collected...
March 2017: Breastfeeding Medicine: the Official Journal of the Academy of Breastfeeding Medicine
https://www.readbyqxmd.com/read/28142043/initiators-and-promoters-for-the-occurrence-of-screen-detected-breast-cancer-and-the-progression-to-clinically-detected-interval-breast-cancer
#12
Amy Ming-Fang Yen, Wendy Yi-Ying Wu, Laszlo Tabar, Stephen W Duffy, Robert A Smith, Hsiu-Hsi Chen
BACKGROUND: The risk factors responsible for breast cancer have been well documented, but the roles of risk factors as initiators, causing the occurrence of screen-detected breast cancer, or promoters, responsible for the progression of the screen-detected to the clinically-detected breast cancer, have been scarcely evaluated. METHODS: We used data from women in a cohort in Kopparberg (Dalarna), Sweden between 1977 and 2010. Conventional risk factors, breast density, and tumor-specific biomarkers are superimposed to the temporal course of the natural history of the disease...
November 28, 2016: Journal of Epidemiology
https://www.readbyqxmd.com/read/28122888/response-to-ovarian-stimulation-is-not-impacted-by-a-breast-cancer-diagnosis
#13
Molly M Quinn, Hakan Cakmak, Joseph M Letourneau, Marcelle I Cedars, Mitchell P Rosen
STUDY QUESTION: Does a breast cancer diagnosis impact ovarian function in the setting of fertility preservation? SUMMARY ANSWER: Ovarian reserve and ovarian stimulation outcomes are similar in patients with a new diagnosis of breast cancer and patients undergoing elective fertility preservation. WHAT IS KNOWN ALREADY: Prior studies, with small study populations, lack of controlling for individual differences in ovarian reserve and infertile controls, have reported conflicting outcomes for cancer patients undergoing ovarian stimulation for fertility preservation...
January 24, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28114999/parity-hormones-and-breast-cancer-subtypes-results-from-a-large-nested-case-control-study-in-a-national-screening-program
#14
Merete Ellingjord-Dale, Linda Vos, Steinar Tretli, Solveig Hofvind, Isabel Dos-Santos-Silva, Giske Ursin
BACKGROUND: Breast cancer comprises several molecular subtypes with different prognoses and possibly different etiology. Reproductive and hormonal factors are associated with breast cancer overall, and with luminal subtypes, but the associations with other subtypes are unclear. We used data from a national screening program to conduct a large nested case-control study. METHODS: We conducted a nested case-control study on participants in the Norwegian Breast Cancer Screening Program in 2006 - 2014...
January 23, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28107260/frequency-of-pregnancy-related-cancer-a-population-based-linkage-study-in-lombardy-italy
#15
Fabio Parazzini, Matteo Franchi, Alessandra Tavani, Eva Negri, Fedro Alessandro Peccatori
OBJECTIVES: The aims of this study were to estimate the occurrence of pregnancy-associated cancer overall and by site, to evaluate if the risk increases over time, and to investigate some major determinants. METHODS: This is a population-based linkage study using the regional hospital discharge forms [Scheda di Dimissione Ospedaliera (SDO)] database of Lombardy, Italy, a region with 10 million inhabitants. All resident women with a SDO reporting a birth or abortion between 2001 and 2012 were identified...
March 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28103125/opt-out-patient-navigation-to-improve-breast-and-cervical-cancer-screening-among-homeless-women
#16
Ramin Asgary, Ramesh Naderi, Juan Wisnivesky
BACKGROUND: A patient navigation model was implemented to improve breast and cervical cancer screening among women who were homeless in five shelters and shelter clinics in New York City in 2014. MATERIALS AND METHODS: Navigation consisted of opt-out screening to eligible women; cancer health and screening education; scheduling and following up for screening completion, obtaining, and communicating results to patients and providers; and care coordination with social services organizations...
January 19, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28102720/do-racial-differences-exist-in-the-association-between-pregnancy-induced-hypertension-and-breast-cancer-risk
#17
Li-Te Lin, Li-Yu Hu, Pei-Ling Tang, Kuan-Hao Tsui, Jiin-Tsuey Cheng, Wei-Chun Huang, Hong-Tai Chang
BACKGROUND: Previous studies investigating the relationship between pregnancy-induced hypertension (PIH) and breast cancer risk have yielded inconsistent results. Unlike numerous Western studies, studies have reported that PIH may be a risk factor for breast cancer in Western Asian women. To confirm these results, we designed a retrospective population-based cohort study to assess the relationship between PIH and subsequent risk for breast cancer in Taiwan. METHODS: Patients with newly diagnosed PIH were selected from the Taiwan National Health Insurance Research Database (NHIRD), and a 1:4 matched cohort of women without PIH based on age and the year of delivery was randomly selected from the same database as the comparison group...
January 19, 2017: Hypertension in Pregnancy
https://www.readbyqxmd.com/read/28098674/diethylstilbestrol-potential-health-risks-for-women-exposed-in-utero-and-their-offspring
#18
J Leocadia Conlon
Diethylstilbestrol (DES) is a synthetic estrogen given to pregnant women to prevent miscarriages and preterm labor; the drug was used between 1941 and 1971 in the United States and into the 1980s in other countries. DES exposure is associated with significant long-term health effects, including increased risk for breast cancer, cervical and vaginal clear cell adenocarcinoma, reproductive tract abnormalities, infertility, poor pregnancy outcomes, and early menopause. This article reviews the potential health risks associated with DES exposure, how to assess which patients are at risk, and management recommendations for patients exposed to DES...
February 2017: JAAPA: Official Journal of the American Academy of Physician Assistants
https://www.readbyqxmd.com/read/28086982/reproductive-factors-and-the-risk-of-triple-negative-breast-cancer-in-white-women-and-african-american-women-a-pooled-analysis
#19
Huiyan Ma, Giske Ursin, Xinxin Xu, Eunjung Lee, Kayo Togawa, Lei Duan, Yani Lu, Kathleen E Malone, Polly A Marchbanks, Jill A McDonald, Michael S Simon, Suzanne G Folger, Jane Sullivan-Halley, Dennis M Deapen, Michael F Press, Leslie Bernstein
BACKGROUND: Early age at menarche, nulliparity, late age at first completed pregnancy, and never having breastfed, are established breast cancer risk factors. However, among breast cancer subtypes, it remains unclear whether all of these are risk factors for triple-negative breast cancer (TNBC). METHODS: We evaluated the associations of these reproductive factors with TNBC, in 2658 patients with breast cancer (including 554 with TNBC) and 2448 controls aged 20-64 years, who participated in one of the three population-based case-control studies: the Women's Contraceptive and Reproductive Experiences Study, the Women's Breast Carcinoma in situ Study, or the Women's Learning the Influence of Family and Environment Study...
January 13, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28068940/early-life-socioeconomic-environment-and-mammographic-breast-density
#20
Parisa Tehranifar, Barbara A Cohn, Julie D Flom, Angeline Protacio, Piera Cirillo, L H Lumey, Karin B Michels, Mary Beth Terry
BACKGROUND: Early life social environment may influence breast cancer through shaping risk factors operating in early life, adolescence and adulthood, or may be associated with breast cancer risk independent of known risk factors. We investigated the associations between early life socioeconomic status (SES) and mammographic density, a strong risk factor for breast cancer, and the extent to which these associations were independent of risk factors across the lifecourse. METHODS: We used data from an adult follow-up study of two U...
January 10, 2017: BMC Cancer
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