子宫颈癌是常见的妇科恶性肿瘤之一。据统计,世界范围内每年大约有5 0万左右的新发病例,严重威胁妇女健康。子宫颈癌的发生、发展有一个由量变到质变、渐变到突变的过程,这个过程可存在多年,这是我们早期发现子宫颈癌及前驱病变的绝好时机。如能在前驱病变阶段被确诊并进行治疗 Cervical cancer is one of the common gynecological malignancies. According to statistics, about 500,000 new cases occur each year in the world, which seriously threaten women’s health. The occurrence and development of cervical cancer have a process from quantitative change to qualitative change and gradual change to mutation. This process can exist for many years. This is an excellent opportunity for early detection of cervical cancer and precursor disease. If the precursor lesions can be diagnosed and treated