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Breast cancer in African american

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https://www.readbyqxmd.com/read/29159815/effectiveness-of-interventions-for-breast-cancer-screening-in-african-american-women-a-meta-analysis
#1
Valire Carr Copeland, Yoo Jung Kim, Shaun M Eack
OBJECTIVE: The purpose of this study was to report the results of a meta-analysis conducted on the effects of clinical trials in breast cancer screening for African American women between 1997 and 2017. DATA SOURCES: Articles published in English and in the United States, between January 1997 and March 2017, were eligible for inclusion if they (1) conducted psychosocial, behavioral, or educational interventions designed to increase screening mammography rates in predominantly African American women of all ages; (2) utilized a randomized, controlled trial (RCT) design; and (3) reported quantitative screening rates following the intervention...
November 21, 2017: Health Services Research
https://www.readbyqxmd.com/read/29142588/characterization-of-hormonal-receptors-and-human-epidermal-growth-factor-receptor-2-in-tissues-of-women-with-breast-cancer-at-muhimbili-national-hospital-dar-es-salaam-tanzania
#2
Amos Rodger Mwakigonja, Nyanda Elias Lushina, Ally Mwanga
Background: Breast cancer is a leading cause of morbidity and deaths among women worldwide. In Tanzania there is no published data on human epidermal growth receptor-2 (HER2/neu) expression in breast carcinoma. Hormonal receptors and HER2/neu status reportedly influence post-mastectomy adjuvant therapy and predict treatment outcome and prognosis. Here we evaluate hormonal receptors and HER-2 status in biopsies of women with breast cancer at Muhimbili National Hospital (MNH). Methods: A cross-sectional study of female breast post-modified radical mastectomy (MRM)/incisional biopsies confirmed to be carcinoma at the Histopathology Unit (January-December 2013)...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/29141994/type-ii-diabetes-and-incidence-of-estrogen-receptor-negative-breast-cancer-in-african-american-women
#3
Julie R Palmer, Nelsy Castro-Webb, Kimberly Bertrand, Traci N Bethea, Gerald V Denis
White women with type II diabetes (T2D) have an estimated 20% increased risk of developing breast cancer. Little is known about associations by breast cancer subtype or among African American (AA) women, who are disproportionately affected by T2D and estrogen receptor negative (ER-) breast cancer. We assessed the relation of T2D to incidence of ER- and ER+ breast cancer in data from the Black Women's Health Study, a prospective cohort of AA women enrolled in 1995 and followed biennially. During 847,934 person-years of follow-up, there were 1,851 incident invasive breast cancers, including 914 ER+ and 468 ER- cases...
November 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/29139055/downstream-breast-imaging-following-screening-mammography-in-medicare-patients-with-advanced-cancer-a-population-based-study
#4
Gelareh Sadigh, Richard Duszak, Kevin C Ward, Renjian Jiang, Jeffrey M Switchenko, Kimberly E Applegate, Ruth C Carlos
BACKGROUND: Screening tests are generally not recommended in patients with advanced cancer and limited life expectancy. Nonetheless, screening mammography still occurs and may lead to follow-up testing. OBJECTIVE: We assessed the frequency of downstream breast imaging following screening mammography in patients with advanced colorectal or lung cancer. DESIGN: Population-based study. PARTICIPANTS: The study included continuously enrolled female fee-for-service Medicare beneficiaries ≥65 years of age with advanced colorectal (stage IV) or lung (stage IIIB-IV) cancer reported to a Surveillance, Epidemiology, and End Results (SEER) registry between 2000 and 2011...
November 14, 2017: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/29137951/triple-negative-breast-cancer-stem-cells-and-african-ancestry
#5
REVIEW
Evelyn Jiagge, Dhananjay Chitale, Lisa A Newman
Triple-negative breast cancers (TNBC) are more common among African ancestry populations, such as African Americans and western, sub-Saharan Africans, compared to European ancestry populations. This phenotype prevalence contributes to breast cancer outcome disparities between African Americans and Caucasian Americans. Breast cancer stem cells represent the tumor subpopulation responsible for metastatic virulence and ongoing research seeks to characterize the extent to which TNBC versus non-TNBC stem cells may differ...
November 11, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/29132562/breast-cancer-disparities-how-can-we-leverage-genomics-to-improve-outcomes
#6
REVIEW
Melissa B Davis, Lisa A Newman
Breast cancer mortality rates are higher in African American compared with white American women. Disproportionately rising incidence rates, coupled with higher rates of biologically aggressive disease among African Americans is resulting in a widening of the mortality disparity. Higher rates of triple-negative breast cancer among African American women, as well as women from western sub-Saharan Africa, has prompted questions regarding the role of African ancestry as a marker of hereditary susceptibility for specific disease phenotypes...
January 2018: Surgical Oncology Clinics of North America
https://www.readbyqxmd.com/read/29128897/speed-of-processing-training-in-middle-aged-and-older-breast-cancer-survivors-soar-results-of-a-randomized-controlled-pilot
#7
Karen Meneses, Rachel Benz, Jennifer R Bail, Jacqueline B Vo, Kristen Triebel, Pariya Fazeli, Jennifer Frank, David E Vance
PURPOSE: Cognitive changes are common among breast cancer survivors. There is limited evidence to guide management of cognitive changes. This randomized controlled pilot evaluated the preliminary efficacy of a speed of processing (SOP) training among middle-aged and older breast cancer survivors. METHODS: Sixty breast cancer survivors  with self-reported cognitive changes were recruited to the SOAR study. Participants were randomized to either a home-based SOP training (n = 30) or no-contact control group (n = 30)...
November 11, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29128565/obesity-and-triple-negative-breast-cancer-disparities-controversies-and-biology
#8
REVIEW
Eric C Dietze, Tanya A Chavez, Victoria L Seewaldt
Once considered a problem of Western nations, obesity (body mass index ≥30kg/m(2)) has rapidly increased since the 1970s to become a major threat to world health. Since 1970, the face of obesity has changed from a disease of affluence and abundance to a disease of poverty. Over the last 10 years, studies have mechanistically linked obesity and an obese tumor microenvironment with signaling pathways that predict aggressive breast cancer biology. For example, in the United States African-American women are more likely than non-Hispanic European-American women to be obese and to be diagnosed with triple-negative breast cancer (TNBC)...
November 8, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/29120835/characteristics-of-invasive-breast-cancer-and-overall-survival-of-patients-eligible-for-mass-breast-cancer-screening-in-guadeloupe-compared-to-those-of-the-preceding-age-group
#9
Philippe Kadhel, Daphné Borja De Mozota, Stéphanie Gaumond, Jacqueline Deloumeaux
BACKGROUND: Mass breast cancer screening is offered to French women between the ages of 50 and 74. In the French overseas department of Guadeloupe, where the population is of mostly African ancestry, a low age at diagnosis of breast cancer has been reported, as for African-Americans. This raises the question of whether breast cancer is more aggressive in the age group preceding that eligible for mass screening (40-49) in Guadeloupe. METHODS: We compared the tumor-related prognostic factors, first line therapy and overall survival rates of breast cancer cases diagnosed between the 40-49 and 50-74 age groups, based on reports of the cancer registry of Guadeloupe for the period 2008-2013...
October 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/29118232/healthcare-utilization-and-costs-during-the-initial-phase-of-care-among-elderly-women-with-breast-cancer
#10
Ami Vyas, S Suresh Madhavan, Usha Sambamoorthi, Xiaoyun Lucy Pan, Michael Regier, Hannah Hazard, Sita Kalidindi
Background: Understanding the patterns of healthcare utilization and costs during the initial phase of care (12 months after breast cancer [BC] diagnosis) in older women (aged ≥65 years) is crucial in the allocation of Medicare resources. The objective of this study was to determine healthcare utilization and costs during the initial phase of care in older, female, Medicare fee-for-service beneficiaries diagnosed with BC, and to determine the factors associated with higher costs. Methods: A retrospective observational study using the SEER-Medicare linked database was conducted in 69,307 women aged ≥66 years diagnosed with primary incident BC in 2003-2009 to determine healthcare utilization, average costs, and costs for specific services during the initial phase of care...
November 2017: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/29103529/influence-of-race-insurance-status-and-geographic-access-to-plastic-surgeons-on-immediate-breast-reconstruction-rates
#11
Paris D Butler, Olatomide Familusi, Joseph M Serletti, Justin P Fox
BACKGROUND: This study evaluates the rates of immediate breast reconstruction (IBR) among racial and insurance status subgroups, in the setting of a changing plastic surgeon workforce. METHODS: Using state level inpatient and ambulatory surgery data, we identified discharges for adult women who underwent mastectomy for breast cancer. This information was supplemented with plastic surgeon workforce data and aggregated to the health service area-level (HSA). Hierarchical linear models were used to risk standardized IBR rates for 8 race-payer subgroups...
November 2, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/29102420/explaining-between-race-differences-in-african-american-and-european-american-women-s-responses-to-breast-density-notification
#12
Mark Manning, Terrance L Albrecht, Zeynep Yilmaz-Saab, Louis Penner, Andria Norman, Kristen Purrington
BACKGROUND: Prior research shows between-race differences in women's knowledge and emotions related to having dense breasts, thus suggesting that between-race differences in behavioral decision-making following receipt of breast density (BD) notifications are likely. Guided by the theory of planned behavior, this study examined differences in emotion-related responses (i.e., anxiety, worry, confusion) and behavioral cognition (e.g., intentions, behavioral attitudes) following receipt of BD notifications among African American (AA) and European American (EA) women...
October 30, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/29073238/genetic-variations-reproductive-aging-and-breast-cancer-risk-in-african-american-and-european-american-women-the-women-s-circle-of-health-study
#13
Marie V Coignet, Gary Robert Zirpoli, Michelle R Roberts, Thaer Khoury, Elisa V Bandera, Qianqian Zhu, Song Yao
Reproductive aging phenotypes, including age at menarche (AM) and age at natural menopause (ANM), are well-established risk factors for breast cancer. In recent years, many genetic variants have been identified in association with AM and ANM in genome-wide association studies among European populations. Using data from the Women's Circle of Health Study (WCHS) of 1,307 European-American (EA) and 1,365 African-American (AA) breast cancer cases and controls, we aimed to replicate 53 earlier GWAS variants for AM and ANM in AA and EA groups and to perform analyses on total and net reproductive lifespan (TRLS; NRLS)...
2017: PloS One
https://www.readbyqxmd.com/read/29064397/association-of-vitamin-d3-level-with-breast-cancer-risk-and-prognosis-in-african-american-and-hispanic-women
#14
Yanyuan Wu, Marianna Sarkissyan, Sheilah Clayton, Rowan Chlebowski, Jaydutt V Vadgama
Background: This study investigated the association of vitamin D3 levels with breast cancer risk and progression in African-Americans and Hispanics. Methods: A total of 237 African-American (Cases = 119, Control = 118) and 423 Hispanic women (Cases = 124, Control = 299) were recruited in the study. Blood samples were collected at the time of breast cancer screening and prior to cancer treatment for 4 weeks on average for the cases. The serum 25-hydroxyvitamin D (25(OH)D3) was measured at a Quest-Diagnostics facility...
October 24, 2017: Cancers
https://www.readbyqxmd.com/read/29054978/breast-cancer-in-latinas-a-focus-on-intrinsic-subtypes-distribution
#15
Silvia J Serrano-Gómez, Laura Fejerman, Jovanny Zabaleta
Breast cancer is the most frequent cancer in women worldwide. It is classified into intrinsic subtypes characterized by different molecular profiles and prognosis. The prevalence of the different intrinsic subtypes varies between population groups. Immunohistochemistry surrogates based on the expression of the estrogen receptor (ER), progesterone receptor (PR) and human epidermal growth factor receptor 2 (HER2) have been widely used to study the distribution of intrinsic subtypes in Non-Hispanic Whites and African Americans, but data is limited for Hispanic/Latina women...
October 20, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/29052667/differences-in-coping-among-african-american-women-with-breast-cancer-and-triple-negative-breast-cancer
#16
Crystal C Watkins, Iye Kamara Kanu, Jill B Hamilton, Sharon L Kozachik, Fannie Gaston-Johansson
PURPOSE/OBJECTIVES: To determine differences in psychological distress, symptoms, coping capacity, and coping abilities among African American (AA) women with triple-negative breast cancer (TNBC) and non-TNBC and to explore differences in relationships among these variables.
. DESIGN: A prospective, descriptive, comparative, and correlational design.
. SETTING: Johns Hopkins Hospital in Baltimore, Maryland.
. SAMPLE: 30 AA women with breast cancer...
November 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/29031817/bcrp-abcg2-and-high-alert-medications-biochemical-pharmacokinetic-pharmacogenetic-and-clinical-implications
#17
REVIEW
Daiki Hira, Tomohiro Terada
The human breast cancer resistance protein (BCRP/ABCG2) is an ATP-binding cassette efflux transporter that uses ATP hydrolysis to expel xenobiotics from cells, including anti-cancer medications. It is expressed in the gastrointestinal tract, liver, kidney, and brain endothelium. Thus, ABCG2 functions as a tissue barrier to drug transport that strongly influences the pharmacokinetics of substrate medications. Genetic polymorphisms of ABCG2 are closely related to inter-individual variations in therapeutic performance...
October 13, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28987963/improving-cancer-patient-emergency-room-utilization-a-new-jersey-state-assessment
#18
Anthony J Scholer, Omar M Mahmoud, Debopyria Ghosh, Jacob Schwartzman, Mohammed Farooq, Javier Cabrera, Robert Wieder, Nabil R Adam, Ravi J Chokshi
INTRODUCTION: Due to its increasing incidence and its major contribution to healthcare costs, cancer is a major public health problem in the United States. The impact across different services is not well documented and utilization of emergency departments (ED) by cancer patients is not well characterized. The aim of our study was to identify factors that can be addressed to improve the appropriate delivery of quality cancer care thereby reducing ED utilization, decreasing hospitalizations and reducing the related healthcare costs...
October 4, 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/28982874/impact-of-calgb-9343-trial-and-sociodemographic-variation-on-patterns-of-adjuvant-radiation-therapy-practice-for-elderly-women-%C3%A2-70-years-with-stage-i-estrogen-receptor-positive-breast-cancer-analysis-of-the-national-cancer-data-base
#19
Quyen D Chu, Meijiao Zhou, Kaelen L Medeiros, Prakash Peddi, Xiao Cheng Wu
BACKGROUND: The Cancer and Leukemia Group B (CALGB) 9343 trial demonstrated that adjuvant radiation therapy (RT) can be omitted in women 70 years or older, with small (≤2 cm), negative lymph nodes, estrogen receptor (ER)-positive breast cancer. We examined whether RT usage following the CALGB publication had decreased over time and evaluated sociodemographic and clinical factors associated with RT omission. MATERIALS AND METHODS: From the National Cancer Data Base, we analyzed a cohort of 120,308 women aged 70 years or older with stage I, ER-positive breast cancer who underwent lumpectomy...
October 2017: Anticancer Research
https://www.readbyqxmd.com/read/28965004/perceived-social-support-in-african-american-breast-cancer-patients-predictors-and-effects
#20
Tess Thompson, Maria Pérez, Matthew Kreuter, Julie Margenthaler, Graham Colditz, Donna B Jeffe
RATIONALE: Social support plays an important role in quality of life and health outcomes after breast cancer diagnosis and treatment. OBJECTIVE: To examine changes in perceived social support in African American women during the two years following a new breast cancer diagnosis. METHODS: This secondary analysis uses data collected from 2009 to 2015 from 227 newly diagnosed, African American women with breast cancer (mean age 56 [SD = 10], 59% household income < $25,000; 28% married/partnered, 72% early stage) participating in a randomized controlled trial testing the effects of a video-communication intervention on quality-of-life and follow-up care...
November 2017: Social Science & Medicine
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