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Uterine Cancer

Uterine cancer ( endometrial cancer ) is the most common gynecologic malignancy with approximately 35,000 new cases each year in the United States alone. About 75% of these cases are diagnosed at  an early stage ( stage I ).  When diagnosed at an early stage, survival may be 75% or higher at 5 years.   A rare form of uterine cancer, uterine sarcoma accounts for only 1-2 cases per 100,000 women, comprising less than 5% of all uterine cancers. Unlike endometrial cancer, survival for sarcoma is much lower due to a more aggressive spread pattern and more common advanced stage disease at the time of diagnosis.

Risk factors

  • Predisposing factors: obesity, unopposed estrogen, late menopause (>52 years), nulliparity, anovulatory cycles, tamoxifen use, endometrial hyperplasia, and previous history of radiation.
  • Protective factors: oral contraceptives (relative risk (RR) = 0.5) with oral contraceptive use for at least 12 months.  This risk reduction may last 10 years.

 

Sings and symptoms

  • Abnormal bleeding and/or discharge.
  • Pelvic pain
  • Uterine enlargement

 

Diagnosis

  • Diagnosis is through endometrial sampling, performed as a biopsy or D&C procedure.
  • A negative endometrial biopsy may be followed by a D&C, with hysteroscopy for patients with persistent symptoms since endometrial biopsies can have a false negative rate of 5% to 10 %.

 

Treatment

  • Surgery: total abdominal hysterectomy and bilateral salpingo-oophorectomy (TAH-BSO) pelvic lymph node removal, abdominal washings, omental sampling, peritoneal biopsies.
  • Combined surgery and radiation: preoperative or postoperative radiation therapy
  •  Medical therapy:
  • Cytotoxic Chemotherapy
  • Hormonal therapy such as progesterone

 

 

 

 

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