วันเสาร์ที่ 5 มีนาคม พ.ศ. 2554

Breast Cancer - Types of Breast Cancer

            Breast cancer is cancer that starts in cells of breast cancer in the world, breast cancer is the second most common cancer after lung cancer (10.4% of cancers in both sexes counted) and the fifth leading cause of cancer deaths. Worldwide, breast cancer occurred by far the most common cancer in women more than twice as colon cancer and cervical cancer and about three times larger than lung cancer. However breast cancer mortality in the world is only a 25% higher than for lung cancer in women. In 2005, breast cancer caused 502 000 deaths worldwide (7% of cancer deaths, or nearly 1% of all deaths). The number of cases has increased worldwide since 1970, is the phenomenon in part to modern lifestyle in Western countries.

In most cases, it is obvious causes normal breast cells become malignant. Doctors know that only 5 percent to 10 percent of hereditary breast cancer cases. Families with mutations in two genes in breast cancer gene 1 (BRCA1) or breast cancer gene 2 (BRCA2), have a higher risk of developing breast cancer and ovarian cancer. Other inherited mutations u20AC, such as ataxia telangiectasia-mutated gene, cell cycle, cell cycle 2 (Chek-2) tumor suppressor gene p53 u20AC is "more susceptible to breast cancer. If one of these genes in your family, you are 50 percent genetic.

Inflammatory breast cancer is cancer that affects the skin breast. This explains why cancer less than 4% of all breast cancer cases diagnosed annually in the United States. Physical symptoms of inflammatory breast cancer redness and swelling of the breasts usually parallel. In some cases, the tumor may be present.

Types of Breast Cancer

Tumor grade: If the cancer is invasive, pathological prescribed category. The evaluation is based on a narrow cells normal breast tissue samples of the tissue under a microscope. Memorandum and cell type helps the doctor determine treatment options.

Tubular carcinoma: This rare form of breast cancer is the appearance of the tumor cells under the microscope from. Although breast cancer is invasive, the prognosis is better than invasive ductal or invasive lobular carcinoma.

Meta-plastic cancer: cancer Plastics Met less than 1 percent of all newly diagnosed breast cancers. This change will generally stay at the local level, and contains several types of cells, which only rarely in other breast cancer. Prognosis and treatment is the same as that of invasive cancer by wire.

lobular carcinoma in situ is cancer. But% u2122 itu20AC sign that a woman is to suffer 6-7 times higher risk of cancer in my life, woman doesnu20AC% u2122t lobular carcinoma in situ: the same risk u2122d% youu20AC where his mother and sister had cancer.

Most songs are dysplastic changes. The term "dysplasia" refers to fibrosis and cysts. Fibrosis in the formation of the fibers (or scar) tissue, and cysts are fluid-filled blisters. Dysplasia can cause changes in the breast swelling and pain. This often happens to start just before the deadline. breasts can feel the pieces, and sometimes you can a nipple discharge, clear or cloudy look .

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