A. Diagnose early cervical cancer, distinguish tumor from inflammation
B. It has guiding significance in treatment, especially for the treatment of cervical intraepithelial neoplasia, which can indicate the location and extent of the lesion.
C. Colposcopy is also valuable for the estimation and treatment of benign cervical lesions.
D. The storage of colposcopy photos or computer images is very important for the follow-up observation of cervical lesions.
E. To study the relationship between HPV and sub-HPV infection and precancerous lesions and cervical cancer
