نتایج جستجو برای: breast density

تعداد نتایج: 652681  

Journal: :Asian Pacific journal of cancer prevention : APJCP 2011
Noor Shatirah Mohd Fandi Voon Kanaga Kumari Chelliah

The purpose of this study was to evaluate the influence of dietary habit on breast density, which is an important risk factor for breast cancer. This cross-sectional study was performed on 64 Malaysian women of all races between the age of 35 to 70 years. All subjects underwent mammography and the breast density was analyzed from the images using BI-RADS by two independent radiologists. A vali...

Journal: :Asian Pacific journal of cancer prevention : APJCP 2012
Jae Kwan Jun Mi Jin Kim Kui Son Choi Mina Suh Kyu-Won Jung

Mammographic breast density is a known risk factor for breast cancer. To conduct a survey to estimate the distribution of mammographic breast density in Korean women, appropriate sampling strategies for representative and efficient sampling design were evaluated through simulation. Using the target population from the National Cancer Screening Programme (NCSP) for breast cancer in 2009, we veri...

2015
Jeon-Hor Chen Gultekin Gulsen Min-Ying Su

Mammographic density has been proven as an independent risk factor for breast cancer. Women with dense breast tissue visible on a mammogram have a much higher cancer risk than women with little density. A great research effort has been devoted to incorporate breast density into risk prediction models to better estimate each individual’s cancer risk. In recent years, the passage of breast densit...

Journal: :Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 2005
Erin J Aiello Diana S M Buist Emily White Peggy L Porter

OBJECTIVE Few studies have examined the association between breast density and breast cancer tumor characteristics. We examined the association between hormonal, proliferative, and histologic tumor characteristics and mammographic breast density in women with breast cancer. METHODS We conducted a cross-sectional analysis in 546 women diagnosed with invasive breast cancer to evaluate the assoc...

Journal: :Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 2010
Marian L Neuhouser Leslie Bernstein Bruce W Hollis Liren Xiao Anita Ambs Kathy Baumgartner Richard Baumgartner Anne McTiernan Rachel Ballard-Barbash

BACKGROUND Vitamin D influences cellular proliferation and proliferation-related breast tissue characteristics, such as mammographic breast density. Little is known about vitamin D status, assessed by serum 25-hydroxyvitamin D [25(OH)D], and its relationship to breast density in breast cancer survivors. METHODS Participants were 426 postmenopausal breast cancer survivors from the Health, Eati...

Journal: :Cancer prevention research 2012
Reena S Cecchini Joseph P Costantino Jane A Cauley Walter M Cronin D Lawrence Wickerham Hanna Bandos Joel L Weissfeld Norman Wolmark

Mammographic breast density is an established risk factor for breast cancer. However, results are inconclusive regarding its use in risk prediction models. The current study evaluated 13,409 postmenopausal participants in the NSABP Study of Tamoxifen and Raloxifene. A measure of breast density as reported on the entry mammogram report was extracted and categorized according to The American Coll...

Journal: :علوم زیستی ورزشی 0
مهدیه آکوچکیان دانشجوی دکتری طب ورزشی پردیس دانشگاه تهران رضا نوری استادیار پردیس کیش دانشگاه تهران فرهاد رحمانی نیا استاد دانشگاه گیلان ارسلان دمیرچی دانشیار دانشگاه گیلان

treatments for breast cancer such as chemotherapy or hormone therapy can increase osteoporosis. it seems that exercise training can improve bone mineral density. therefore, the aim of this study was to investigate the effect of combined exercise training on bone mineral density (bmd) in postmenopausal women with breast cancer. 29 postmenopausal women with breast cancer (58.27 ± 6.31 years) who ...

2018
Honor J Hugo Aneta Zysk Pallave Dasari Kara Britt John L Hopper Jennifer Stone Erik W Thompson Wendy V Ingman

On a mammogram, breast density (also known as mammographic density) is shown as white and bright regions and is associated with reduced sensitivity in cancer detection and increased breast cancer risk. However, many Australian women are unaware of the significance of breast density as it is not routinely reported or discussed. In order to address this lack of knowledge, Australian breast cancer...

Journal: :journal of medical signals and sensors 0
azardokht amirzadi reza azmi

since mammography images are in low-contrast, applying enhancement techniques as a pre-processing step are wisely recommended in classification of the abnormal lesions into benign or malignant. a new kind of structural enhancement is proposed by morphological operator which introduces an optimal gaussian kernel primitive, the kernel parameters are optimized the use of genetic algorithm­­. we al...

Journal: :Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 2006
Norman F Boyd Lisa J Martin Limei Sun Helen Guo Anna Chiarelli Greg Hislop Martin Yaffe Salomon Minkin

BACKGROUND Greater weight and body mass index (BMI) are negatively correlated with mammographic density, a strong risk factor for breast cancer, and are associated with an increased risk of breast cancer in postmenopausal women, but with a reduced risk in premenopausal women. We have examined the associations of body size and mammographic density on breast cancer risk. METHOD We examined the ...

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