occurs in the epithelial cells which line the ducts or lobules of the breast tissue. is malignant (cancerous) proliferation of these epithelial cells. is one of the leading cancers in women and among epithelial cancers is the most common cancer among women. can occur only rarely if ever among men and the ratio of female to male is 150:1.
In regards to occurrence is very common, but due to improved treatment in case of the mortality has come down to a great extent in most of the countries where the cancer treatment facilities are available. Unlike other cancers, has very good survival rate if treated properly. As compare to number of detection every year, the number of deaths due to is much less due to improved survival with adequate treatment.
is dependent on hormone and a woman without functional ovaries do not develop and also women who has never taken estrogen replacement therapy also do not develop . Due to the hormone dependency, shows typical pattern in occurrence. The incidences of start increasing after menarche (starting of menstruation in females) and increase till menopause, from where the incidence starts declining again.
Three dates in women’s life has major impact on incidence, they are age at menarche, age at first full-term pregnancy and age at menopause. Early menarche increase risk of e.g. menarche at 12 years of age increase the risk of by 50-60% in compare to menarche at the age of 16 years. First full term pregnancy at the age of 18 years reduces the risk of by approximately 35% in compare to women without children. Menopause at early age reduces the risk of e.g. menopause 10 years earlier can reduce risk of by 35%.
The outcome of treatment of depends on the stage of . Stages of are divided from Stage I through Stage IV, the worst results with the Stage IV.
10 comments - What do you think? Posted byDr Jupitor - May 20, 2010 at 11:35 amCategories:Non Mesothelioma Cancers Tags:
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