有关上消化道异物的内镜诊治报道较多 ,我们在 1年内用胃镜成功取 3例巨形异物 ,体会报告如下。1　病例简介　　例 1:患者 ,男 ,2 4岁。吞食多条钢丝 10余 d,上腹胀痛 ,黑便 2 d入院。腹部平片提示十二指肠内有 4根螺旋形钢丝 ,最长 11.5 cm,最短 9.5 cm,其中 1根外套金属网 , Endoscopic diagnosis and treatment of upper gastrointestinal foreign body reported more, we successfully take 3 cases of giant foreign body by gastroscope within 1 year, the report is as follows. 1 Case Description Example 1: Patient, male, 24 years old. Devour more than 10 wires d, abdominal pain, black stool 2 d admission. Abdominal plain film prompted the duodenum has four spiral steel wire, the longest 11.5 cm, the shortest 9.5 cm, of which a jacket metal mesh,