نتایج جستجو برای: family history of cancers
تعداد نتایج: 21217780 فیلتر نتایج به سال:
عصر روشنگری زمان شکل گیری ایده های مدرن تربیتی- آموزشی بود اما تاکید بیش از اندازه ی دوشاخه مهم فلسفی زمان یعنی عقل گرایی و حس گرایی بر دقت و وضوح، انسان عصر روشنگری را نسبت به دیگر تواناییهایش نابینا کرده و موجب به وجود آمدن افرادی تک بعدی شد که افتخارعقلانیتشان، تاکید شان بر تجربه فردی، به مبارزه طلبیدن منطق نیاکانشان وافسون زدایی شان از دنیا وتمام آنچه با حواس پنجگانه قابل درک نبوده و یا در ...
introduction: the etiology of male breast cancer is unclear, but hormonal levels may play a role in development of this disease. it seems that the risk of male breast cancer related to increased lifelong exposure to estrogen or reduced androgen. the aim of this study was to investigate the expression of the steroid hormone receptors including estrogen receptor (er) and progesterone receptor (pr...
BACKGROUND Carcinoids are rare neuroendocrine tumors (NET). Familial clusterings of NETs are rarely reported, except for a small proportion associated with multiple endocrine neoplasia syndrome type 1. We evaluated the effect of positive family history of NET as well as other cancers on the development of NETs arising at five different locations. METHODS We conducted a retrospective, hospital...
background non-melanoma skin cancers (nmsc) are the most common cancers worldwide. these cancers are not accompanied by high mortality however they lead to various complications. evaluation of nmsc predisposing factors could result in preventive measures, improvement of quality of life and reduction of medical costs. objectives this study aimed to determine predisposing factors of non-melanoma ...
breast cancer within incident of one million new cases each year has become one of the most common malignancies and leading cause of death among females. this disease is comprised of about 18% of women cancers. the availability of early detection and improved treatments may decrease the mortality rates which reflected in the united states and many other western countries. breast cancer in over ...
Epidemiologic studies have demonstrated a tendency for common cancers to aggregate in families. The authors investigated the effects of family history of cancer at multiple sites, including the breast, ovary, colorectum, and prostate, on ovarian cancer risk among 607 controls and 558 ovarian cases in Hawaii and Los Angeles, California, in 1993-1999. A family history of cancer of the breast, ova...
Breast cancers arising in carriers of mutations in the breast cancer susceptibility genes, BRCA1 and BRCA2, differ histologically from each other and from breast cancers unselected for a family history. However, a substantial proportion of families with multiple cases of breast cancer is not attributable to these two genes (non-BRCA1/2 families). We have now characterized the pathology of 82 br...
BACKGROUND Reliable estimates on the age of onset between familial and sporadic cancers are important for etiological understanding and clinical practice. Specific studies on the age of onset of familial cancer compared with sporadic cancer are less common than studies on familial risks and these are almost lacking for rare cancers. MATERIALS AND METHODS The Swedish Family-Cancer Database was...
BACKGROUND Options for women at high risk for breast cancer include surveillance, chemoprevention, and prophylactic mastectomy. The data on the outcomes for surveillance and prophylactic mastectomy are incomplete. METHODS We conducted a retrospective study of all women with a family history of breast cancer who underwent bilateral prophylactic mastectomy at the Mayo Clinic between 1960 and 19...
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