宫颈癌是全球范围内的一个重要公共卫生问题,是妇女癌症的主要死因之一,其发生率仅次于乳腺癌,位居第二。全世界每年约有15万宫颈癌新发病例,每年约有8万人死于宫颈癌,其中80%的病例发生在发展中国家。由于宫颈癌有一系列的前驱病变,这些病变可存在多年,而且子宫颈又具有有利的解剖基础,易 Cervical cancer is one of the major public health problems in the world. It is one of the major causes of cancer in women and ranks second only to breast cancer. About 150,000 new cases of cervical cancer occur each year in the world, about 80,000 people die of cervical cancer each year, 80% of them in developing countries. Because cervical cancer has a series of precursor lesions, these lesions can exist for many years, and the cervix also has a favorable anatomical basis, easy