흥미있는 기도 및 식도이물

Foreign bodies in the air and food passage are not uncommon and important condition in the field of ENT department, and most of them are accidental cases. The kinds of foreign bodies are variable, and in most cases are easily diagnosed and treated, but some of them are often difficult to diagnose and treat, since their sites, kinds and duration of retainings are variable. Recently the authors experienced three interesting cases of foreign bodies in the air and food passage, so we report them with brief literature review.