Definition |
Breast Cancer is cancer that arises in the breast tissue. It is the most common cancer in women and is the second leading cause of death by cancer in women (lung cancer is the first). In the United States, only 1% of cases of Breast Cancer occur in men. |
Description |
Breast Cancer may begin in the milk glands or milk ducts, fatty tissue or connective tissue. The majority (90%) of Breast Cancers begin in the milk glands or ducts. |
Cause |
Risk factors for Breast Cancer include: - Age - chances of developing Breast Cancer increase as women grow older. - Family history of Breast Cancer. The risk of developing Breast Cancer doubles or triples if a first-degree relative (parent, sibling or child) has had Breast Cancer. - Women who have had in situ Breast Cancer (contained entirely in the breast duct) or invasive Breast Cancer (where the cancer can spread to other tissues) are at higher risk of having Breast Cancer develop again, often in the other breast. - Women who began menstruation early or who had an early menopause or a late first pregnancy are at higher risk of developing Breast Cancer. - Women taking oral contraceptives or who are on hormone replacement therapy may be at slightly higher risk. |
Signs And Symptoms |
In the majority of women, Breast Cancer is first noticed as a lump in the breast. The lump usually feels quite different from the surrounding breast tissue and cannot be felt in the same place on the other breast. In the early stages the lump may be quite moveable under the skin. In more advanced stages, the lump is fixed to the chest wall or skin and is difficult to move. There may also be small bumps or ulcers on the breast skin or a change in the texture of the skin (which resembles the skin of an orange, although not orange in colour). Sometimes there will be breast pain without a lump or the breast may be enlarged. |
Diagnosis | |||||||||||||
If a lump that may be cancerous is found, your Doctor will order a biopsy where some cells from the lump are removed via a needle attached to a syringe (aspiration biopsy) or a small piece of tissue is removed (incisional biopsy) or the whole lump will be removed (excisional biopsy). If cancer cells are found, more tests will be performed to determine the nature of cancer present, as this will affect the type of treatment used.
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