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食管癌的细胞学检查不但用于诊断食管和贲门部有无癌变的发生,同时尚能看出上皮是否有增生性等病变。对食管上皮增生和癌变的关系,我们(1972年)曾从临床和实验动物食管癌的组织发生,一些食管上皮增生患者的追随检查,以及食管上皮增生患病率在高发区与非高发区的对比调查,加以阐明,指出食管上皮的增生性病变是可逆的,
The cytological examination of esophageal cancer is not only used to diagnose the presence of cancer in the esophagus and cardia, but it can be seen whether the epithelium has proliferative or other diseases. With respect to the relationship between esophageal hyperplasia and carcinogenesis, we (1972) had follow-up examinations of patients with esophageal cancer in clinical and experimental animals, some patients with esophageal epithelial hyperplasia, and prevalence of esophageal epithelial hyperplasia in high- and non-high-incidence areas. A comparative investigation to clarify that the proliferative lesions of the esophageal epithelium are reversible,