临床上对消化性溃疡的诊断一直沿用X 线钡餐榆查获得间接征象来确定。但有时因溃疡太小、太浅钡剂不能充填而X 线不能发现,或因粘膜皱襞变异、胃壁痉挛所形成假性壁龛等会给诊断造成困难。而纤维胃镜检查可弥补X 线之不足,前者对胃或十二指肠腔 Clinically, the diagnosis of peptic ulcer has been used along with X-ray barium meal elm check obtained indirect signs to determine. But sometimes the ulcer is too small, too shallow barium can not fill the X-ray can not be found, or due to mucosal folds mutation, the formation of pseudo-niches stomach spasm will give diagnosis difficult. The fiber endoscopy can make up for the lack of X-ray, the former on the stomach or duodenal cavity