食管癌是严重威胁着劳动人民生命的一种常见肿瘤,而其早期诊断重要检查方法之一——是细胞学检查。由食管采集细胞标本的工具应便于迅速操作,给病人极少的痛苦,并能保证通过贲门,满意地采到贲门和食管的细胞为理想。本室工作人员在学习河南医 Esophageal cancer is a common tumor that seriously threatens the lives of working people. One of the important methods for early diagnosis is cytology. The tool for collecting cell specimens from the esophagus should be easy to operate quickly, giving the patient minimal pain and ensuring that the cells of the cardia and esophagus are satisfactorily harvested through the cardiac tract. The staff of this room is studying Henan