宫颈癌是最常见的妇科恶性肿瘤之一 ,在全球女性恶性肿瘤中其发病率仅次于乳腺癌 ,在发展中国家则居首位。据WHO报道 ,每年全世界范围内宫颈癌新增病例数大约为 4 4万多例 ,其中 80 %在发展中国家 ,我国为 13.5万 ,且宫颈癌发病有年轻化的趋势。近 4 0年来由于宫颈细胞学筛查普 Cervical cancer is one of the most common gynecological malignancies. Its incidence is second only to that of breast cancer in women with malignant tumors in the world and top among developing countries. According to the WHO report, the number of new cases of cervical cancer in the world each year is about more than 44,000 cases, of which 80% are in developing countries and 135,000 in China, and the incidence of cervical cancer is younger. Nearly 40 years due to cervical cytology screening