cervical cancer
Health

All you need to know about cervical cancer

Cervical cancer is a cancer of the female reproductive system that develops in the cervix. It is one of the most common cancers in women and is usually the result of a human papillomavirus or HPV infection. He also played a big role in scientific research, thanks to cervical cancer cells from a woman named Henrietta Lacks, which were the first human cells to grow in the laboratory and were still used in laboratories around the world.

Stages of cervical cancer

You can now find several different ways to describe the stages of cervical intraepithelial neoplasia, but the most common are based on how many epithelia are involved.

  • Grade 1, cervical intraepithelial neoplasia affects the lower third of the epithelial thickness.
  • Grade 2 affects two thirds.
  • Grade 3 affects almost the entire epithelium,
  • Finally, in situ cancer affects the entire thickness of the epithelium.

The higher the grade, the greater the chance that dysplasia will become cancerous. Eventually, when the cancer starts, you can progress to invasive cervical cancer, that is, when the cancer cells penetrate the epithelial basement membrane and into the cervical stroma.

It can then spread to neighboring tissues, such as the epithelial layers of the uterus and vagina. Eventually, it can pass through the pelvic wall and affect the bladder and rectum.

Eventually, it can also spread through the lymphatic and circulatory systems to other parts of the body, such as the liver and lungs.

Because HPV primarily affects squamous cell carcinomas, most cases of cervical cancer are squamous cell carcinomas. The second most common type, also associated with HPV, is cervical adenocarcinoma, in which epithelial glass cells are present in the cervix.

However, the progression of HPV infection to cervical intraepithelial neoplasia after cancer is usually slow and takes ten to 20 years for invasive cervical cancer to develop.

Cervical cancer treatment

Treatment options for cervical intraepithelial neoplasia include;

  • Cryosurgery using liquid nitric oxide to freeze and kill abnormal cells
  • Conization in which the transformation zone and part or all of the endocervix are surgically removed. This can be done using a scalpel called cold-knife conization, laser, or by heating a thin wire loop with electricity called loop electrosurgical excision or excision of a large transformation zone loop.

Treatment of early cervical cancer is a surgical procedure to remove only the tumor, or also the uterus and associated lymph nodes. If the cancer is more advanced radiation and possibly chemotherapy.

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