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子宫颈上皮内肿瘤(Cervical Intraepithelial Neoplasia,简称CIN)更确切的称呼是子宫颈上皮内新生物,因其不单包括子宫颈原位癌也包括各种程度的间变.CIN是属于子宫颈浸润癌的癌前病变.对子宫颈癌的癌前病变的意义迄今尚无统一概念,有人认为一切容易及可能导致子宫颈癌的病变如慢性刺激所致的宫颈病变或各种宫颈炎症以及宫颈表皮内的细胞非典型增生或结构不良甚至原位癌等皆属癌前病变.而严格地说
Cervical Intraepithelial Neoplasia (CIN) is a more precise term for intraepithelial neoplasia, as it includes not only cervical carcinoma in situ but also various degrees of variability. CIN is a member of the cervical intraepithelial neoplasia Of precancerous lesions on the significance of precancerous lesions of cervical cancer so far there is no uniform concept, some people think that everything is easy and may lead to cervical cancer lesions such as chronic lesions caused by cervical lesions or a variety of cervical inflammation and cervical epidermis Of the cells atypical hyperplasia or poor structure or even carcinoma in situ are all precancerous lesions, while strictly speaking