概述X 线钡餐对胃肠道的检查久已被临床医师和病人所信赖,但其准确程度如何,除事后的手术和病理结果外,过去对钡餐的准确性缺乏有效和及时的术前检验对比方法,直管胃镜虽早已应用但其缺点较多,纤维胃镜的应用填补了这一不足,由于其死角小,可直接观察并可作胃内摄片和取活体组织等优点,故对疑难病案不仅可以及时作出进一 Overview Barium meal X-ray examination of the gastrointestinal tract has long been trusted by clinicians and patients, but its accuracy, in addition to the postoperative surgical and pathological results, the past, the accuracy of barium meal, the lack of effective and timely preoperative comparison method Although direct gastroscopy has long been used, but its shortcomings more, the application of fiber gastroscopy to fill this gap, because of its small dead angle, can be directly observed and can be used for gastric radiography and take the advantages of living tissue, so the difficult medical record not only Can be made in a timely manner