在女性生殖道的癌前病变中,子宫颈的癌前病变是研究得较多和了解得较清楚的。外阴、阴道和子宫内膜的癌前病变则次之,输卵管和卵巢的癌前病变了解得很少,因连续的观察比较困难。本文简要介绍女性生殖道的癌前病变的近代资料,特别着重它们的定义和性质。宫颈宫颈鳞状上皮的癌前病变目前有2种分类法:①将癌前病变分为间变(轻、中、重 Cervical precancerous lesions are more studied and understood in precancerous lesions of the female reproductive tract. Vulva, vaginal and endometrial precancerous lesions followed, tubal and ovarian precancerous lesions known very little, because of the continuous observation more difficult. This article presents a brief account of modern sources of precancerous lesions of the female genital tract, with particular emphasis on their definition and nature. Cervical cervical squamous precancerous lesions currently there are two taxonomies: ① precancerous lesions will be divided into between (light, medium and heavy