This chapter describes the evolution of the classification systems of cervical. We used cochrane methodology and grade to rate the certainty of evidence for protection against cervical precancer cervical intraepithelial neoplasia grade 2 and. Pdf outcome of cryosurgery for cervical intraepithelial. Cervical intraepithelial neoplasia cin squamous dysplasia. Incidence of squamous neoplasia of the cervix and vagina. In terms of number of cases annually registered, cer.
Association between bacterial vaginosis and cervical. This is not cancer but may progress to cancer in the future. A good knowledge of the etiology, pathophysiology and natural history of cin provides a strong basis both for visual testing and for colposcopic diagnosis and understanding the principles of treatment of these lesions. Cervical cancer is classified by how advanced the disease is. An introduction to cervical intraepithelial neoplasia cin.
Anal intraepithelial neoplasia ain may be precursive for scc, and screening cytology with referral of persons with abnormality for highresolution anoscopyguided biopsy, and ain treatment, has. The nomenclature in use in the past was mild, moderate, an d severe dysplasia, these were the terms used to describe premalignant squamous. A pap smear and colposcopy are two of the procedures performed to monitor the cells and appearance of. Numbers from 1 to 3 may be used to describe how much of. Cervical intraepithelial neoplasia in women who had. We hypothesised that increasing microbiome diversity is associated with increasing cin severity.
Excisional and ablative methods have similar treatment outcomes for the eradication of cervical intraepithelial neoplasia. Noninvasive cervical intraepithelial neoplasia cervical intraepithelial neoplasia cin is a term used to describe abnormal changes to the squamous cells of the cervix. The likelihood of finding cervical intraepithelial neoplasia grade 2 or higher increases when two or more cervical biopsies are performed. In this chapter we will use the terms anal intraepithelial neoplasia which parallel the pathophysiology of cervical intraepithelial neoplasia, vulvar intraepithelial neoplasia, and perineal intraepithelial neoplasia. Cervical intraepithelial neoplasia cin is the presence of abnormal cells on the surface of the cervix.
Cervical intraepithelial neoplasia cin is when abnormal cells appear on the surface of the cervix. Cervical intraepithelial neoplasia cin is a general term for the growth of abnormal cells on the surface of the cervix. Association between bacterial vaginosis and cervical intraepithelial neoplasia. Cervical intraepithelial neoplasia cin is a premalignant lesion that is diagnosed by histology as cin1, cin2, or cin3. Colposcopy a colposcopy is when your doctor looks at the cervix through a special magnifying.