Thursday, March 4, 2010

Breast Cancer Causes, Symptoms and Treatment

Saturday, January 16, 2010, 15:31
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Breast cancer is a cancer of both men and women. But in case of men, it is less common than women. Cancer grows in the cells of the breast and it develops uncontrollably and spreads to other parts of the body. If cancer occurs in cells of breast, one will feel a lump at a self-examination test. In the earlier stage, it is difficult to feel the lump and so in the initial stage no symptoms occur.

Causes:

The underlying cause of most is unclear. However, some risk factors have been identified, many of which suggest that the female hormone estrogen is an important factor in the development and progress of the disease. It is known that women who have their first menstrual period before age 11, or who have a late menopause, seem to be at increased risk of developing this cancer, probably because they are exposed to high levels of estrogen for longer. The number of menstrual cycles before a first pregnancy is also significant. And a woman who has her first child before age 20 has chances. Breast feeding is thought to have an additional protective effect.

Symptoms:

Breast cancer elicits so many fears, including those relating to surgery, death, loss of body image and loss of sexuality, however it is more easily treated and often curable if it is found early, therefore regular self examination and screening is essential. Breast cancer usually shows as a lump or thickening in the breast tissue, although most breast lumps are not cancerous.

In some women breast cancer may have spread to distant organs, before mammography screening or symptoms showed the breast cancer. This can happen because early stage breast cancer does not usually cause any symptoms. If the cancer has spread to other organs these women may present with symptoms related to these organs. For example if the cancer has spread to the bone the woman may develop bone pain or bone fracture.

Treatment:

Treatment of breast cancer depends on the stage and grade of the cancer, patient’s age, whether the cancer cells have receptors for certain hormones or proteins, and the size of the tumor. Most breast cancers are treated with surgery to remove the tumor, all or part of the breast tissue may be removed at the same time but reconstructive breast surgery can be done at the time of initial surgery or at a later date. Chemotherapy or hormone therapy may be done before surgery to shrink the cancer. After surgery, radiotherapy may be given to make sure any remaining cancer cells are destroyed.

The simplest way to remove a breast cancer surgically is by an operation that is often called a lumpectomy. In this procedure, which is usually performed in conjunction with radiotherapy, the surgeon removes the tumour and a small amount of tissue around it, but leaves the skin over it in place. The most extensive procedure is the radical mastectomy – the total removal of the breast along with underlying chest muscles and the axillary lymph nodes in the adjoining armpit.

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