CIN3
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CIN3
Cervical intraepithelial neoplasia (CIN), also known as cervical dysplasia, is the abnormal growth of cells on the surface of the cervix that could potentially lead to cervical cancer. More specifically, CIN refers to the potentially Precancerous condition, precancerous transformation of cells of the cervix. CIN most commonly occurs at the Transformation zone, squamocolumnar junction of the cervix, a transitional area between the Squamous epithelial cell, squamous epithelium of the vagina and the columnar epithelium of the endocervix. It can also occur in vaginal walls and vulvar epithelium. CIN is graded on a 1–3 scale, with 3 being the most abnormal (see classification section below). Human papillomavirus (Human papillomavirus infection, HPV) infection is necessary for the development of CIN, but not all with this infection develop cervical cancer. Many women with HPV infection never develop CIN or cervical cancer. Typically, HPV resolves on its own. However, those with an HPV ...
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Cervical Cancer
Cervical cancer is a cancer arising from the cervix or in any layer of the wall of the cervix. It is due to the abnormal growth of cells that can invade or spread to other parts of the body. Early on, typically no symptoms are seen. Later symptoms may include abnormal vaginal bleeding, pelvic pain or pain during sexual intercourse. While bleeding after sex may not be serious, it may also indicate the presence of cervical cancer. Virtually all cervical cancer cases (99%) are linked to genital human papillomavirus infection (HPV); most who have had HPV infections, however, do not develop cervical cancer. HPV 16 and 18 strains are responsible for approximately 70% of cervical cancer cases globally and nearly 50% of high grade cervical pre-cancers. Minor risk factors include smoking, a weak immune system, birth control pills, starting sex at a young age, and having many sexual partners. Genetic factors also contribute to cervical cancer risk. Cervical cancer typically develo ...
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