Role of Methylation Test Triage in HPV Positive Women

"Participants who aged 25-65 years with high-risk HPV infection are recruited.To start with,cervical exfoliated cells are collected, coded (according to the actual enrollment sequence), and stored in the pathology department where methylation testing is performed.In addition,patients will underwent colposcopy and biopsy.~Patients are followed up by cytology, high-risk HPV and methylation tests at 6 and 12 months after enrollment.Cervical conization and hysterectomy will be taken if necessary according to histopathological results. The clinical endpoint is reached when CIN2+ is confirmed by histopathological result."