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Causes

By Mayo Clinic staff

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Illustration showing endometrial cancer
Endometrial cancer

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Doctors don't know what causes endometrial cancer. What's known is that something occurs to create a genetic mutation within cells in the endometrium — the lining of the uterus. The genetic mutation turns normal, healthy cells into abnormal cells. Healthy cells grow and multiply at a set rate, eventually dying at a set time. Abnormal cells grow and multiply out of control, and they don't die at a set time. The accumulating abnormal cells form a mass (tumor). Cancer cells invade nearby tissues and can separate from an initial tumor to spread elsewhere in the body (metastasize).

References
  1. Park CK, et al. Cancer of the endometrium. In: Abeloff MD, et al. Abeloff's Clinical Oncology. 4th ed. Philadelphia, Pa.: Churchill Livingstone; 2008:1793.
  2. Lu K, et al. Neoplastic diseases of the uterus: Endometrial hyperplasia, endometrial carcinoma, sarcoma: Diagnosis and Management. In: Katz VL, et al. Comprehensive Gynecology. 5th ed. Philadelphia, Pa.: Mosby; 2007. http://www.mdconsult.com/das/book/body/202781245-2/0/1524/0.html. Accessed Oct. 19, 2010.
  3. Uterine neoplasms. Fort Washington, Pa.: National Comprehensive Cancer Network. http://www.nccn.org/professionals/physician_gls/PDF/uterine.pdf. Accessed Oct. 19, 2010.
  4. What you need to know about cancer of the uterus. National Cancer Institute. http://www.cancer.gov/cancerinfo/wyntk/uterus/allpages. Accessed Oct. 19, 2010.
DS00306 Dec. 4, 2010

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