BREAST CANCER BASE

Familial: those with family history of hereditary breast cancer may be in two forms: one for mothers suffering from breast cancer, also a daughter of breast cancer, age of onset light, often in amenorrhea, for more bilateral; Another mother did not have to have breast cancer, but in a family, there are at least two sister sister of breast cancer, family breast cancer incidence rates than no family history of breast cancer in the family high incidence of 2-3 times, and that breast cancer occurred in amenorrhea, often unilateral;

Menstrual factors: age of menarche as early as 12 years of age, the risk of occurrence of breast cancer than those aged 17 menarche large 2.2 times; Late menopause at 50 years of age, 45 years after menopause than the risk of breast cancer and an increase of 100%.

Nowadays, many breast enhancement products "becomes a blur", "curve enticing to you" advertisements to attract the majority of women. However, clinical observations indicated that the abuse of hormone Bust products, may raise breast cancer morbidity.

It is understood that the incidence of breast cancer and breast tissue exposed to estrogen's time-related. Now medical science has confirmed that the female hormone secretion in vivo once imbalances, in particular excessive secretion of estrogen, breast ductal epithelial cells of the estrogen stimulated by the normal development of dysplasia, to turn cancerous.

Breast cancer is the breast ductal epithelial cells in various internal and external factors of cancer, the cells are deprived of the normal characteristics of dysplasia, which exceeds the limits of self-repair and premalignant disease. Clinical breast lumps for a major performance. Female breast cancer is the most common malignant one. With the high incidence of quite aggressive, but slow progress in the course. Longer survival natural characteristics belong to the medical milk tumor "of rock" and so on.

Hyperplasia occurred in the 30 to 50-year-old women in the country's 30-year-old women over the incidence of 30% to 50%, puberty and less incidence in postmenopausal women. The incidence of urban than rural women.
The incidence of breast cancer increases with age increased, in rare before menarche, age 20 also rare, but 20 years after its rapid rise in the incidence of 45 to 50-year-old high, but it was relatively flat, postmenopausal incidence continues to rise to around 70-year-old reached the peak.