Essay on Breast Cancer - 4172 Words

Breast cancer will strike one in every eight American women. This makes it the most common cancer in woman. Approximately 200,000 women are diagnosed with breast cancer each year. Of that number, 40,000 will die from breast cancer each year. (Journal of Environmental Health 2003) Breast cancer is just one type of cancer. Cancerous cells are cells that grow without the normal system of controls placed upon them. Breast cancer develops from the mammary ducts 80% of the time. The other 20% of the time the cancer develops from the lobules of the breasts. While breast cancer may occur in men, this paper will primarily focus on breast cancer in women. Breast cancer is 100 times more likely to affect women as it is men. There are two†¦show more content†¦Basically the breasts are located off to the sides of the sternum, on the front of the chest wall between the second and sixth ribs. (Anatomy of the Human Body, Gray, H.) During puberty hormonal changes cause the breasts to begin t o develop and mature. This stimulation comes from the release of estrogen from the anterior pituitary. The base of each breast lies on top of the pectoralis major, obliquus externus abdominis, and serratus anterior muscles and extends up into the axillary region. On the external surface of the breast, between the 4th and 5th ribs is the nipple. The nipple is made up of contractile muscle fibers and is capable of becoming firm and erect when stimulated. The color of the nipple can range from a light pink to brown. At the tip of the nipple there are up to twenty tiny openings from the lactiferous ducts. The circular area surrounding the nipple is called the areola. The color of the areola may also range from a light pink to a dark brown. During pregnancy the areola will darken. Imbedded in the areola are areolar glands which give the areola a slightly bumpy appearance. These glands secrete an oily kind of substance that acts as a skin protector during breast feeding. (Textbook of Medical Physiology, Guyton, 2000) The breast tissue itself is a series of lobules and mammary ducts that form a pattern similar to clusters of grapes. The lobules are round sacs that produce milk. The ducts areShow MoreRelatedBreast Cancer And Cancer Prevention2347 Words   |  10 Pages INTRODUCTION Statistics indicate that breast cancer-related complications are among the top causes of death among women for over 23% of all women’s deaths in the world (Donepudi et al., 2014). The great cases of breast cancer are attributed to lack of information on and hard data on the disease, especially on early diagnosis and treatment options. 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