1. Primary Objective:
To compare the diagnostic accuracy of high-definition electronic magnifying endoscopy combined with image-enhanced technology versus colposcopy for cervical and vaginal lesions. 2. Secondary Objectives:
To evaluate and compare the sensitivity, specificity, positive predictive value, and negative predictive value of the two examination methods, and to assess the differences between the two techniques in image characteristics, such as lesion border clarity and visualization of microvascular structures.
① Aged 18-65 years, with indications for colposcopy (HPV16/18 positive; HPV non-16/18 positive with LCT ≥ ASCUS; HPV negative with LCT ≥ LSIL; persistent HPV infection ≥ 1 year).
Voluntarily sign the informed consent form.
① Women who are pregnant or breastfeeding.
Acute reproductive tract infection, severe coagulation disorders. ③ History of radiotherapy for malignant tumors, study participants with severe mental illness.
Underage women.