суббота, 4 июня 2011 г.

Researchers Have Made A Big Step In Understanding The Treatment Of Ovarian Cancer

Researchers Have Made A Big Step In Understanding The Treatment Of Ovarian Cancer.


New mind about the at cock crow stages of ovarian cancer may create to the occurrence of a strange screening check for the cancer, US researchers say articles. In the study, scientists uncovered first tumors and precancerous lesions in involvement cysts, which clasp into the ovary from its surface.



So "This is the first over giving very strong evidence that a substantial number of ovarian cancers go up in inclusion cysts and that there is on my oath a precursor lesion that you can see, put your hands on, and give a big shot to," lead author Jeff Boyd, most important scientific officer at Fox Chase Cancer Center in Philadelphia, said in a flash release Breast sex. "Ovarian cancer most of the regulate seems to awake in simple inclusion cysts of the ovary, as opposed to the come up epithelium".



Boyd and his colleagues analyzed ovaries removed from women with BRCA gene mutations (who have a 40 percent lifetime imperil of developing ovarian cancer) and from women with no known genetic chance factors for ovarian cancer. In both groups of women, gene utterance patterns in the cells of grouping cysts were dramatically particular than common ovarian emerge cells.



For example, the cells of incorporation cysts had increased announcement of genes that management cell division and chromosome movement. The researchers also found that cells from very primordial tumors and tumor harbinger lesions frequently had extra chromosomes.



So "Previous studies only looked at this at the morphologic level, looking at a proportion of interweaving under a microscope," Boyd said. "We did that but we also dissected away cells from standard ovaries and early-stage cancers, and did genetic analyses. We showed that you could follow course from natural cells to the predecessor lesion, which we call dysplasia, to the actual cancer, and glimpse them adjacent to one another within an inclusion cyst".



With these findings, researchers can inspect to develop new screening tests to determine ovarian cancer in the earliest stages, when it is still treatable. Ovarian cancer kills nearly 15000 women in the United States each year. Fewer than half of ovarian cancer patients vigorous more than five years after diagnosis. The weigh was published April 26 in the memoir "PLoS One".



What Is Ovarian Cancer? Ovarian cancer is cancer that begins in the ovaries. Ovaries are reproductive glands found only in women. The ovaries introduce eggs (ova) for reproduction. The eggs roam through the fallopian tubes into the uterus where the fertilized egg implants and develops into a fetus. The ovaries are also the conduit commencement of the female hormones estrogen and progesterone. One ovary is located on each interest of the uterus in the pelvis.



Types of ovarian tumors. Many types of tumors can cause to spring growing in the ovaries. Most of these are cordial (non-cancerous) and never expansion beyond the ovary. Benign tumors can be treated successfully by removing either the ovary or the role of the ovary that contains the tumor. Ovarian tumors that are not tender-hearted are vicious (cancerous) and can grow (metastasize) to other parts of the body. Their care is more complex and is discussed later in this document.



In general, ovarian tumors are named according to the amicable of cells the tumor started from and whether the tumor is compassionate or cancerous. There are 3 primary types of ovarian tumors. Epithelial tumors recoil from the cells that substitute the outer boundary of the ovary. Most ovarian tumors are epithelial room tumors. Germ chamber tumors wince from the cells that cause the ova (eggs). Stromal tumors beginning from connective conglomeration cells that hold the ovary together and distribute the female hormones estrogen and progesterone.



Ovarian cysts. An ovarian cyst is a hoard of indefinite preferential an ovary. Most ovarian cysts appear as a regular depart of ovulation (release of eggs) - these are called "functional" cysts. These cysts all things considered go away within a few months without any treatment. If you evolve a cyst, your cut may want to damper it again after your next cycle (period) to see if it has gotten smaller.



An ovarian cyst is a particle more concerning in a female who isn't ovulating (like a bride after menopause or demoiselle who hasn't started her periods), and the treat may want to do more tests. The doctor may also order other tests if the cyst is imposingly or if it does not go away in a few months. Even though most of these cysts are benign, a inconsequential number of them could be cancer. Sometimes the only nature to know for sure if the cyst is malign is to take it out with surgery obefit drug ban. Benign cysts can be observed (follow-up with palpable exams and imaging tests), or removed with surgery.

Комментариев нет:

Отправить комментарий