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Cervical dysplasia is a condition in which healthy cells on the cervix undergo some abnormal changes. The cervix is the lower part of the uterus that leads into the vagina. It is the cervix that dilates during childbirth to allow the fetus to pass through.
In cervical dysplasia, the abnormal cells are not cancerous, but can develop into cancer if it is not caught early and treated.
According to the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins University, every year in the United States cervical dysplasia affects between 250,000 and 1 million women. It is most often seen in women between the ages of 25 and 35.
A common virus called human papillomavirus (HPV) causes cervical dysplasia. HPV is a sexually transmitted virus, and there are hundreds of strains. Some are low-risk and cause genital warts.
Others are high-risk and cause cell changes that can turn into cervical dysplasia and cancer.
According to the Journal of the American Medical Association (JAMA), an estimated 26.8 percent of women tested positive for one or more strains of HPV.
There are several risk factors for cervical dysplasia, some of which relate directly to the risk of HPV:
If you are sexually active, a condom might reduce your risk of getting HPV. But the virus can still live on the skin surrounding the genitals not covered by the condom.
There are typically no symptoms of cervical dysplasia. Occasionally, abnormal bleeding may occur. However, in the absence of symptoms, the cell changes are invisible to the naked eye and are usually found during a regular Pap test.
Pap test results will indicate a squamous intraepithelial lesion (SIL). This indicates cellular tissue damage or dysplasia.
There are different categories of SIL, including:
Many times, LSIL goes away on its own. Your doctor might recommend a follow-up Pap test after several months to monitor the cell changes. If your doctor is concerned, or you have high-grade changes, a colposcopy may be done.
A colposcopy is an in office procedure that allows the doctor to get a very close view of your cervix. A vinegar solution is applied to the cervix and a special light is used. This makes any abnormal cells stand out.
The doctor can then take a small piece of cervical tissue, called a biopsy, to send to a lab for further testing. If a biopsy shows dysplasia, it is then classified as cervical intraepithelial neoplasia (CIN).
There are three categories of CIN:
Carcinoma in situ is cancer that has not spread below the surface layer of tissue.
Treatment of cervical dysplasia depends on the severity of the condition. Mild dysplasia might not be treated immediately since it can resolve without treatment. Repeat Pap smears may be done every three to six months. For CIN 2 or 3, treatment can include:
Dysplasia is usually caught early because of regular Pap tests. Treatment typically cures cervical dysplasia, but it can return. If no treatment is given, the dysplasia may get worse, potentially turning into cancer.
The only definite way to prevent cervical dysplasia is by practicing abstinence. There are a number of things you can do to reduce your risk of getting HPV and cervical dysplasia:
Talk with your doctor about your sexual activity and steps that you can take to lower your risk of cervical dysplasia.
Written by: Jaime Herndon
Medically reviewed on: Sep 22, 2016: Debra Sullivan, PhD, MSN, CNE, COI
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