癌前病变系指某些较易发展为癌的病变.这一名词在医学文献中应用已久(Dubruilh,1896).近年来随着防癌普查的开展和肿瘤诱发过程的实验性研究,癌前病变日益受到重视.这一概念已推广到“肿瘤前期”、“恶性前期”、“肉瘤前期”、“白血病前期”、“淋巴瘤前期”、“何杰金氏病前期”(医学中还有“糖尿病前期”、“精神病前期”等名称),还有人用“癌前期状态”、“癌的形态学前驱”、“癌前期代谢障碍”等名称.然而,对其确切含义、范 Precancerous lesions are those lesions that are more likely to develop into cancers, a term that has long been used in the medical literature (Dubruilh, 1896). In recent years, with the development of anti-cancer censuses and the experimental study of the tumor-inducing process, This concept has been extended to “pre-malignancy”, “pre-malignancy”, “pre-sarcoma”, “pre-leukemia”, “pre-lymphoma”, “pre-Hodgkin’s disease” (also in medicine There are names such as “pre-diabetes” and “pre-psychosis”, as well as names such as “precancerous state,” “morphological precursor of cancer,” and “precancerous metabolic disorder.” However, for its exact meaning,