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Home >> Specialities >> Cancer Care >> Uterine cancer

Uterine cancer

Uterine cancer, also known as endometrial cancer, originates in the cells of the uterus, a pear-shaped organ located in the lower abdomen where a fetus grows during pregnancy. It is one of the most common gynecologic cancers and primarily affects postmenopausal women. Understanding the causes, different types, symptoms, and treatment options for uterine cancer is crucial for effective management and care.

Types of Uterine Cancer:
The majority of uterine cancers are endometrial carcinomas, which arise from the lining of the uterus. Within this category, there are different subtypes:

  • Endometrioid Adenocarcinoma: This is the most common type of endometrial cancer, accounting for about 80% of cases. It typically grows slowly and is associated with excess estrogen.
  • Serous Carcinoma: This is a more aggressive form of endometrial cancer that tends to spread more quickly. It accounts for a smaller percentage of cases but is more likely to recur.
  • Clear Cell Carcinoma: This is a rare subtype of endometrial cancer that is often associated with a poorer prognosis.
  • Sarcoma: Uterine sarcomas arise from the muscle or connective tissue of the uterus. They are less common than endometrial carcinomas and tend to be more aggressive.

Causes and Risk Factors:
The exact cause of uterine cancer is not always clear, but several factors may increase the risk:

  • Hormonal Imbalances: An excess of estrogen without sufficient progesterone, which can occur in conditions like polycystic ovary syndrome (PCOS), obesity, or hormone replacement therapy without progesterone, may elevate the risk.
  • Age and Hormone Replacement Therapy: Uterine cancer is more common in postmenopausal women, especially those who have used estrogen-only hormone replacement therapy.
  • Obesity: Excess body fat can lead to increased estrogen levels, which in turn can raise the risk of uterine cancer.
  • Diabetes: Uncontrolled diabetes, particularly in postmenopausal women, may increase the risk of uterine cancer.
  • Hereditary Factors: Certain genetic conditions, such as Lynch syndrome (hereditary nonpolyposis colorectal cancer or HNPCC), can elevate the risk.
  • Tamoxifen Use: This medication, often used to treat breast cancer, can increase the risk of uterine cancer, particularly in postmenopausal women.

Symptoms of Uterine Cancer:
The symptoms of uterine cancer can vary, but common signs include:

  • Abnormal Vaginal Bleeding: This is the most common symptom of uterine cancer, especially in postmenopausal women. It may include irregular periods, heavy bleeding, or bleeding between periods.
  • Pelvic Pain or Discomfort: This may range from a dull ache to sharp pains.
  • Pain During Intercourse: Pain or discomfort during sexual intercourse may occur.
  • Pelvic Mass or Enlargement: In advanced cases, a palpable mass or enlargement of the uterus may be felt.
  • Unexplained Weight Loss: Sudden or unexplained weight loss can be a symptom of advanced uterine cancer.

Diagnosis and Staging:

  • Pelvic Exam: A physical examination allows the healthcare provider to assess the size and shape of the uterus.
  • Biopsy: A sample of tissue is taken from the lining of the uterus and examined under a microscope to confirm the presence of cancer.
  • Transvaginal Ultrasound: This imaging test uses sound waves to create detailed images of the uterus and surrounding structures.
  • Dilation and Curettage (D&C): This procedure involves scraping a small sample of tissue from the lining of the uterus for examination.
  • MRI or CT Scan: These imaging studies can help determine the extent and stage of the cancer.

Treatment Options:
The approach to treating uterine cancer depends on factors like type, stage, and individual health. Common treatment options include:

  • Surgery: This is the primary treatment for uterine cancer and may involve removing the uterus (hysterectomy) along with nearby tissues or lymph nodes.
  • Radiation Therapy: High-energy rays target and kill cancer cells, often used in conjunction with surgery.
  • Chemotherapy: Medications are used to kill cancer cells or slow their growth.
  • Hormone Therapy: This approach involves using hormones to block the effects of estrogen on cancer cells.
  • Targeted Therapy: These drugs target specific characteristics of cancer cells, often with fewer side effects than chemotherapy.
  • Immunotherapy: This treatment harnesses the body's immune system to target and attack cancer cells.

In conclusion, uterine cancer is a significant health concern, particularly for postmenopausal women or those with specific risk factors. Early detection and personalized treatment plans are crucial for improving outcomes. By working closely with healthcare professionals and utilizing a combination of treatment modalities, individuals with uterine cancer can receive the best possible care and support throughout their journey.

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