![]() Adenocarcinomas are cancers that develop from glandular cells. Most of the other cervical cancers are adenocarcinomas.Squamous cell carcinomas most often begin in the transformation zone (where the exocervix joins the endocervix). These cancers develop from cells in the exocervix. Most (up to 9 out of 10) cervical cancers are squamous cell carcinomas.The main types of cervical cancers are squamous cell carcinoma and adenocarcinoma. Types of cervical cancerĬervical cancers and cervical pre-cancers are classified by how they look in the lab s with a microscope. See Can Cervical Cancer Be Prevented? The specific types of treatment for abnormal screening tests are discussed in When Cervical Screening Test Results are Abnormal. HPV infection has no treatment, but a vaccine can help prevent it. The HPV test looks for infection by high-risk types of HPV that are more likely to cause pre-cancers and cancers of the cervix. The tests for cervical cancer screening are the HPV test and the Pap test. Pre-cancerous changes can be detected by the Pap test and treated to prevent cancer from developing. Regular screening can prevent cervical cancers and save lives. The goal of cervical cancer screening is to find abnormal cells in the cervix or cervical cancer early when it is more treatable and curable. Treating abnormal changes in cervical cells can prevent almost all cervical cancers. But, in some women these abnormal cells can turn into true (invasive) cancers. For most women, these abnormal cells will go away without any treatment. With these cell changes, there is higher risk that the cells can become cancer cells and will need to be watched closely or removed.Īlthough cervical cancers start from cells with abnormal changes, only some women with these changes of the cervix will develop cancer. ![]() In CIN2 or CIN3 (also called moderate/severe dysplasia or high-grade SIL) more of the tissue looks abnormal.Most often, these cells will change back to normal cells. In CIN1 (also called mild dysplasia or low grade SIL), not much of the tissue looks abnormal. ![]() When these abnormal changes in the cervix are found, they are graded on a scale of 1 to 3 based on how much of the cervical tissue looks abnormal. You might hear these abnormal changes referred to as pre-cancers or pre-cancer changes. Doctors use several terms to describe these cell changes, including cervical intraepithelial neoplasia (CIN), squamous intraepithelial lesion (SIL), and dysplasia. Instead, the normal cells of the cervix first gradually develop abnormal changes that can turn into cancer. Cells in the transformation zone do not suddenly change into cancer.
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