Transformation Zone The earliest microscopic change corresponding to<unk>  is epithelial dysplasia, or surface lining, of the cervix, which is essentially undetectable by the woman. The majority of these changes occur at the squamocolumnar junction, or transformation zone, an area of unstable cervical epithelium that is prone to abnormal changes. Cellular changes associated with HPV infection, such as koilocytes, are also commonly seen in<unk> . While infection with HPV is needed for development of<unk> , most women with HPV infection do not develop high-grade intraepithelial lesions or cancer. HPV is not alone enough causative. Of the over 100 different types of HPV, approximately 40 are known to affect the epithelial tissue of the anogenital area and have different probabilities of causing malignant changes.
Cervical intraepithelial neoplasia
Cervical polyp
Vaginal intraepithelial neoplasia
Endometrial intraepithelial neoplasia
Cervical cancer
Vaginal adenosis
Endometrial polyp
Vaginal cancer