消化道异物可见于任何年龄。儿童吞入的异物大多是小的和无毒的。小的异物通常可自然地通过胃肠道排出。成年人易于吞入特殊的异物或致异物嵌顿。这些吞服者多见于食管狭窄或食管其它疾患、精神病、酗酒、狱中犯人及弱智者。 10例有食管嵌顿病人中 ,80 %有食管狭窄 (肿瘤、术后 Gastrointestinal foreign body can be seen at any age. Foreign bodies that children swallow are mostly small and non-toxic. Small foreign bodies are usually naturally excreted through the gastrointestinal tract. Adults can easily swallow special foreign bodies or incarcerated foreign bodies. These swallowed more common in esophageal stenosis or other esophageal diseases, mental illness, alcoholism, prison inmates and mentally handicapped. Among the 10 patients with esophageal incarceration, 80% had esophageal stenosis (tumor, postoperative