Tag: breast

Oncology

#Smoking, #Radiation Therapy, and Contralateral #Breast Cancer Risk in Young Women

Evidence is mounting that cigarette smoking contributes to second primary contralateral breast cancer (CBC) risk. Whether radiation therapy (RT) interacts with smoking to modify this risk is unknown. In this multicenter, individually-matched case-control study, we examined the association between RT, smoking, and CBC risk. The study included 1,521 CBC cases and 2,212 controls with unilateral breast cancer, all diagnosed with first invasive breast cancer between … Continue reading #Smoking, #Radiation Therapy, and Contralateral #Breast Cancer Risk in Young Women

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Gynaecology, Oncology

Risk‐adapted starting age of #breast cancer screening in women with a family history of #ovarian or other cancers: A nationwide cohort study

There is a lack of evidence‐based recommendations for the age at which women with a family history of cancers other than breast cancer should start breast cancer screening. METHODS Using Swedish family cancer data sets, the authors conducted a nationwide cohort study including 5,099,172 Swedish women born after 1931 (follow‐up, 1958‐2015). Accounting for calendar time, they calculated the relative risk of breast cancer for women … Continue reading Risk‐adapted starting age of #breast cancer screening in women with a family history of #ovarian or other cancers: A nationwide cohort study

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Gynaecology, Oncology

Association of #PET-based #estradiol-challenge test for #breast cancer progesterone receptors with response to endocrine therapy

Estrogen receptor (ER) testing of breast cancer imperfectly predicts response to endocrine therapy (ET). We hypothesize that a brief estradiol challenge will increase tumor progesterone receptor (PgR) levels only in tumors with functional ER. In this prospective, phase 2, single-center, single-arm trial (NCT02455453), we report the association of response to ET with change in tumor uptake of the progestin analog, 21-[18F]fluorofuranylnorprogesterone (FFNP), before and after … Continue reading Association of #PET-based #estradiol-challenge test for #breast cancer progesterone receptors with response to endocrine therapy

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Gynaecology, Oncology

Incorporating Baseline Breast #Density When Screening Women at Average Risk for #Breast Cancer

..Intervention: No screening; biennial or triennial mammography from age 50 to 75 years; annual mammography from age 50 to 75 years for women with dense breasts at age 50 years and biennial or triennial mammography from age 50 to 75 years for those without dense breasts at age 50 years; and annual mammography at age 40 to 75 years for women with dense breasts at … Continue reading Incorporating Baseline Breast #Density When Screening Women at Average Risk for #Breast Cancer

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Diet, Oncology

Time-restricted #feeding normalizes hyperinsulinemia to inhibit #breast cancer in obese postmenopausal mouse models

Accumulating evidence indicates that obesity with its associated metabolic dysregulation, including hyperinsulinemia and aberrant circadian rhythms, increases the risk for a variety of cancers including postmenopausal breast cancer. Caloric restriction can ameliorate the harmful metabolic effects of obesity and inhibit cancer progression but is difficult to implement and maintain outside of the clinic. In this study, we aim to test a time-restricted feeding (TRF) approach … Continue reading Time-restricted #feeding normalizes hyperinsulinemia to inhibit #breast cancer in obese postmenopausal mouse models

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Gynaecology, Oncology

Individualizing Surveillance #Mammography for Older Patients After Treatment for Early-Stage #Breast Cancer Multidisciplinary Expert Panel and International Society of Geriatric Oncology Consensus Statement

..After a literature review of the risk of ipsilateral and contralateral breast cancer events among breast cancer survivors and the harms and benefits associated with mammography, a multidisciplinary expert panel was convened to develop consensus guidelines on surveillance mammography for breast cancer survivors 75 years or older. Using an iterative consensus-based approach, input from clinician focus groups, and critical review by the International Society for … Continue reading Individualizing Surveillance #Mammography for Older Patients After Treatment for Early-Stage #Breast Cancer Multidisciplinary Expert Panel and International Society of Geriatric Oncology Consensus Statement

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Gynaecology, Oncology

#Benzophenone-3 promotion of mammary tumorigenesis is diet-dependent

Benzophenone-3 is a putative endocrine disrupting chemical and common ingredient in sunscreens. The potential of endocrine disrupting chemicals to act as agonists or antagonists in critical hormonally regulated processes, such as mammary gland development and mammary tumorigenesis, demands evaluation of its potential in promoting breast cancer. This study identifies the effects of BP-3 on mammary tumorigenesis with high-fat diet during puberty versus adulthood in Trp53-null … Continue reading #Benzophenone-3 promotion of mammary tumorigenesis is diet-dependent

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Environment, Oncology, Sports

Effect of time of day of recreational and household #physical activity on prostate and breast #cancer risk (MCC‐Spain study)

Experimental evidence indicates that exercise performed at different times of the day may affect circadian rhythms and circadian disruption has been linked to breast and prostate cancer. We examined in a population‐based case‐control study (MCC‐Spain) if the time‐of‐day when physical activity is done affects prostate and breast cancer risk. Lifetime recreational and household physical activity was assessed by in‐person interviews. Information on time‐of‐day of activity … Continue reading Effect of time of day of recreational and household #physical activity on prostate and breast #cancer risk (MCC‐Spain study)

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Oncology

Association of the Implant Surface Texture Used in Reconstruction With #Breast Cancer Recurrence

The potential association between breast implant–related anaplastic large cell lymphoma (BIA-ALCL) and implant texture has raised concerns about the additional unexpected adverse effects of textured implants, including potentially adverse outcomes for other cancers. In addition to the risk of developing BIA-ALCL, breast cancer survivors may worry about whether the type of implant inserted is associated with recurrence of their original cancer—an issue for which little … Continue reading Association of the Implant Surface Texture Used in Reconstruction With #Breast Cancer Recurrence

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Gynaecology, Oncology

#Aspirin use and risk of #breast cancer in African American women

Use of aspirin and other non-steroidal anti-inflammatory drugs (NSAIDs) has been hypothesized to be associated with reduced risk of breast cancer; however, results of epidemiological studies have been mixed. Few studies have investigated these associations among African American women.. To assess the relation of aspirin use to risk of breast cancer in African American women, we conducted a prospective analysis within the Black Women’s Health … Continue reading #Aspirin use and risk of #breast cancer in African American women

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Gynaecology, Oncology

Association of #Menopausal Hormone Therapy With Breast #Cancer Incidence and Mortality During Long-term Follow-up of the Women’s Health Initiative Randomized Clinical Trials

In the trial involving 16 608 women with a uterus, 8506 were randomized to receive 0.625 mg/d of conjugated equine estrogen (CEE) plus 2.5 mg/d of medroxyprogesterone acetate (MPA) and 8102, placebo. In the trial involving 10 739 women with prior hysterectomy, 5310 were randomized to receive 0.625 mg/d of CEE alone and 5429, placebo. The CEE-plus-MPA trial was stopped in 2002 after 5.6 years’ median intervention … Continue reading Association of #Menopausal Hormone Therapy With Breast #Cancer Incidence and Mortality During Long-term Follow-up of the Women’s Health Initiative Randomized Clinical Trials

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Diet, Oncology

Serum #iodine and #breast cancer risk: A prospective nested case-control study stratified for selenium levels

Iodine has been suggested to protect against breast cancer, but there are no epidemiological studies on individual risk. An interesting finding is that in areas where the exposure to both selenium and iodine are high (e.g. Japan), the risk of breast cancer is lower than in areas where selenium is high and iodine low (e.g. USA), or in areas where both are low (e.g. Northern … Continue reading Serum #iodine and #breast cancer risk: A prospective nested case-control study stratified for selenium levels

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