Cervical Cancer

Beacon Hospital Hotline

+6018-223 3365

Cervical Cancer

+6018-233 3365

The cervix is the lower, narrow part of the uterus. It connects the uterus to the birth canal (vagina), which leads to the outside of the body. It’s located between the bladder and the rectum. Cervical cancer is the 4th most common type of cancer for women worldwide and 3rd leading cause of female cancer in Malaysia.

Malaysia has a population of 11.55 million women ages 15 years and older who are at risk of developing cervical cancer. Current estimates indicate that every year, 1,682 women are diagnosed with cervical cancer and 944 women die from the disease (HPV Information Centre, 2018).

In 2018, there was 569,847 in 18,078,957 cases, which is about 3.2% of cases of cervical cancer reported globally (International Agency for Research on Cancer, WHO).

The high mortality rate from cervical cancer could be reduced through prevention, early diagnosis, effective screening and treatments.

Currently, there are vaccines that protect against common cancer-causing types of human papillomavirus and can significantly reduce the risk of cervical cancer. If detected early, the disease is potentially curable.

Symptoms

  • Pain during sexual intercourse
  • abnormal vaginal bleeding
  • discharge after intercourse
  • post-menopausal vaginal bleeding
  • bleeding or spotting between periods
  • abdominal pain

Risk Factors

  • More than 3 sexual partners
  • Early sexual intercourse (before 17 years of age)
  • High parity (giving birth to 7 or more children)
  • Low socio-economic status
  • Smoking

Screening and Diagnosis

  • Papanicolaou (Pap) smear test is done by obtaining cervical cell samples with a spatula or brush. Once taken, it is smeared on a glass slide and fixed before being sent to the laboratory for staining and evaluation. Liquid-based cytology is a newer method which increases the sensitivity and accuracy of screening.

It is recommended to undergo annual Pap smear testing once a woman is sexually active. If the first two consecutive smear results are negative, screening every three years is recommended.

  • Colposcopy, which uses a lighted microscope to examine the external surface of the cervix during a pelvic examination. A small tissue sample (biopsy) of suspicious lesions is taken to aid in the diagnosis of micro-invasive cervical cancer. Once invasive cervical cancer is diagnosed, other imaging tests such as CT scan and intravenous urography will be done.

Staging of Cervical Cancer

In general, the stages of cervical cancer are as follows:

Precancerous stage – Abnormal Pap smear, may potentially develop into cancer if left untreated

Stage I  – Cancer confined to the cervix

Stage II – Cancer involving the upper vagina and some surrounding tissue

Stage III – Cancer spread to the lower vagina and more surrounding tissues (may affect kidneys)

Stage IV – Cancer has spread to another organ (also known as metastatic cancer)

Treatment

  • Surgery is suitable for patients diagnosed with Stage I and some early Stage II.
    • Hysterectomy (removal of the uterus) may be performed in addition to removing the cervix.
    • A cone biopsy (removal of the inside of the cervix where cancer started growing)
    • A trachelectomy (removal of the upper vagina and cervix) are some surgical options.

The uterus will not be removed if the woman wishes to preserve her fertility.

  • Chemotherapy is given along with radiotherapy for late stages of cancer (advanced stage II-IV). Together they give a better treatment response.
  • Radiotherapy with external beam therapy (administered from an outside source of radiation) and brachytherapy (insertion of radioactive sources near the tumour for a fixed period of time).

Halcyon Radiotherapy System at Beacon Hospital enables:

    • Fast and precise X-ray dose delivered to each tumour with high accuracy over a minimum number of treatment sessions
    • Reduces unwanted radiation dose, thus, minimising side effects

Unlike any other radiation delivery system, the Halcyon technology’s beam-on time could be as fast as 1-minute plus. Its gantry rotates 4 times faster than a standard linear accelerator and its multi-leaf collimator (MLC) can move twice faster than traditional MLCs. All of these features help in improving the time it takes to treat the patients.

  • Targeted therapy drugs work by attaching themselves to proteins or receptors on cancer cells, either killing the cells or helping other therapies, such as chemotherapy, work better. These targeted drugs work differently from standard chemotherapy drugs and often have different targeted effects. For instance, angiogenesis inhibitor targeted drug blocks the formation of new blood vessels that feed tumours, which can be used to treat advanced cervical cancer.

Prevention

Primary prevention for cervical cancer involves getting vaccinated against the Human Papillomavirus (HPV). Virtually all cases of cervical cancer can be attributed to persistent HPV infection.

However, secondary prevention is by screening which is vital as the HPV vaccine does not cover all the viral strains. Screening aims to detect precancerous changes, which if left untreated, may lead to cancer.

Women who are found to have abnormalities on screening need to follow-up for diagnosis and treatment, in order to prevent the development of cancer or to treat cancer at an early stage. A regular Pap smear is mandatory to detect precancerous changes, which can be treated before they progress to become cancer.

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