扬中县是上消化道癌高发区,特别是贲门癌高发,为探讨其原因,作者在1990年3～4月对本地区居民用隐血珠初筛、纤维胃镜检查的普查工作中,对贲门部粘膜作常规活检,现对贲门部活检组织508例进行分析。材料和方法普查对象是本地区长期居民、年龄为35岁以上的男女自愿受检者,总人数为5646人,用秦氏隐血珠初筛,对“++”及“+++”阳性者作纤维胃镜 Yangzhong County is a high-prevalence area of ​​upper gastrointestinal cancer, especially high incidence of cardiac cancer. To investigate the causes, the author examined the cardiac mucosa of the cardia during the general survey of occult blood bead screening and fiber gastroscopy performed by local residents from March to April in 1990. For routine biopsy, 508 cases of cardiac biopsy were analyzed. Materials and Methods Screening targets are long-term residents of the region, men and women voluntarily over the age of 35, the total number of 5646 people, initially screened with the Qinshi hidden blood beads, positive for “++” and “+++” Fiber endoscope