Ovarian cancer is the ninth most common
cancer in women and the fifth leading cause of female cancer death. Different
from what everyone knows, ovarian cancer isn’t a single disease, but rather a
number of different malignancies involving the ovaries, according to an expert
U.S panel.
Although the detection of ovarian cancer
while in its early stages improves prognosis, most cases of this cancer are
discovered when the cancer is already advanced. Much has been done to
understand about the basic biology of various types of ovarian cancers, such as
where they originate in the body.
Evidence suggests that the ovarian cancers
begin in other tissues such as the fallopian tube and later spreads to the
ovaries. However, there are surprising gaps in knowledge about ovarian cancer
that everybody should know.
A report by the U.S National Academies of sciences, Engineering and Medicine says, the cancer may also rise from cells not considered to be part of the ovaries.
A report by the U.S National Academies of sciences, Engineering and Medicine says, the cancer may also rise from cells not considered to be part of the ovaries.
A photo courtesy |
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Epithelial tumor
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Germ cell tumor
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Stromal tumor
Epithelial tumor develops in a layer of cube-shaped cells which surrounds the outside of the ovaries and accounts for 90% of all ovarian cancers.
Germ
cell tumor which accounts for 3% of all ovarian
cancer are found in the egg-maturation cells of ovary. It often occurs to
teenagers and young women.it is very responsive to treatment and about 90% of
its patients can be cured.
Stromal
tumor amount about 6% of all ovarian cancers
develops from connective tissues cells that hold the ovaries together and
produce the female hormones, estrogen and progesterone. The stromal tumor do
not usually spread in which case the prognosis is good. However if they spread
they can be difficult to treat.
Ovarian cancers spread almost silently and
rapidly usually with vague symptoms. By the time the serious symptoms do
appear, the ovarian tumor may have grown large enough to shed cancer cells
throughout the abdomen.
Certain factors increase the risk of
ovarian cancers while other factors reduce risk. Many of the preventive factors
are related to the number of times a woman ovulates during her lifetime, which
is indicated by the number of menstrual periods and ovulation appear to be
associated with reduced risk of ovarian cancers. Ovarian cancer is real and
every woman should be aware and alert. Encourage each other to go for screening
and be on the notice.
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