病例,男,18岁,农民。入院前两年出现间断性有上腹疼痛,无规律性,无放射痛,每次持续数分钟至一小时启行停止。18月前开始解柏油样大便,1～2天一次,呈糊状,当地医院查大便OB(+++),血Hb80g/L,诊断为上消化道出血,给予甲氰咪呱、云南白药等治疗,大便转黄。认后上述症状反复发作,曾做全胃肠钡餐无异常发现。入院前10天黑便次数增多,伴全身乏力,头晕心 Case, male, 18 years old, farmer. Two years before admission, there was an episode of epigastric pain, no regularity, and no radiating pain. Each session lasted for several minutes to one hour. 18 months ago began to solve the tar-like stool, 1 to 2 days once, was paste, the local hospital to check stool OB (+++), blood Hb80g/L, diagnosed as upper gastrointestinal bleeding, given cimetidine, Yunnan baiyao After treatment, the stool turns yellow. After the above-mentioned symptoms were confirmed repeatedly, no abnormalities were found in the entire gastrointestinal barium meal. Increased number of black stools 10 days before admission, with generalized weakness, dizziness