患者男,12岁。诉吞一枚金属针1小时急诊来院。患儿于1996年1月18日下午2时许将一枚衬衣领口固定用金属针(尾端带绿豆大塑料小珠)含口中玩耍,不慎吞下,教师急带其来我院。患儿表情惊恐,不敢言语,病史由教师代诉。无咽喉及颈胸部疼痛,不流延,无咳嗽。查体:咽稍充血,间接喉镜未见异物及梨状窝积液。颈胸部X线透视见T_2平面有金属异物影,呈垂直状,针尖向上。X线报告为食管异物。立即于表麻下行食管镜检查,未发现异物。再行透视,发现异物影仍在原位。摄正侧位胸片,示 Patient male, 12 years old. V. Swallowing a metal needle 1 hour emergency room. Children on January 18, 1996 at 2 pm will be a shirt collar fixed metal needle (the end with a mung bean plastic beads) with mouth to play, accidentally swallowed, teachers urgently brought to our hospital. Child’s expression was horrified, afraid to speak, medical history by the teacher. No throat and neck pain, no extension, no cough. Physical examination: pharyngeal hyperemia, indirect laryngoscopy no foreign body and pear-shaped fossa effusion. Cervical chest X-ray see T_2 plane with foreign body shadow, was vertical, the tip up. X-ray is reported as esophageal foreign body. Immediately under the table ephedra esophagoscopy, no foreign body was found. Perspective and found that foreign body shadow is still in place. Shot right chest radiograph, showed