What Is Ovarian Cancer? | HealthInfi

Ovarian cancer is the most fatal of all cancers involving a woman’s reproductive tract. Most ovarian cancer develops after menopause; about half of ovarian cancers occur in women over age 60. Unfortunately, only 15 percent of ovarian cancers are diagnosed at an early stage, when the disease is confined to the ovary and is most easily treated. Women diagnosed in the early stages have an 89 to 94 percent chance of surviving at least five years.

About 75 percent of women with ovarian cancer survive one year after diagnosis, and 46 percent survive five years after being diagnosed. The survival rate drops as the stage of the cancer increases, with an 18 percent five-year survival rate in women whose cancer has spread beyond the abdomen. Younger women (below age 65) have a better five-year survival rate than older women.

An estimated 22,280 American women will be diagnosed with ovarian cancer in 2012, according to the American Cancer Society, and about 15,500 will die of the disease.

The ovaries are the part of the female reproductive organs that produce eggs every month during a woman’s reproductive cycle. The ovaries are about the size and shape of an almond (1 1/2 inches long), but after menopause, they shrink to about half their original size. They are located on either side of the lower abdomen.

Women who still have periods can develop cysts on the ovary, which can be felt on apelvic examor seen via X-rays or other tests. They are rarely cancerous, particularly in younger women.

Cysts are less common in women who have already gone through menopause. If cysts occur in these women, they’re more likely to be cancerous. A cyst or an enlarged ovary in a woman who has gone through menopause should always be evaluated quickly to make sure it is not a cancer.

In ovarian cancer, the cells of the ovary grow and divide uncontrollably. The cells may form a tumor on the ovary, parts of which can break off and spread to other parts of the body.

Although ovarian cancer can spread throughout the body and affect other organs and systems (brain, lungs, breast and lymph nodes, for example), in most cases it stays in the abdomen and affects organs such as the intestines, liver and stomach.

There are three main types of ovarian cancer. Most cancers of the ovary (about 90 percent) come from the cells that make up the outer lining of the ovary and are called epithelial ovarian cancers.

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