病例 1:患者李×× ,女 ,5 7岁。因进食梗噎感半月于 1998年 10月 19日入院 ,自觉梗噎部位在颈及胸骨上部 ,以进较干食物时明显 ,进食米粥、饮水无不适 ,无胸骨后疼痛及呕血黑便。无肿瘤家族史。查体 :发育及营养状况良好 ,全身浅表淋巴结未触及。查食管镜 :距门齿 17～ 2 0ｃ Case 1: Patient Li X, female, 5 7 years old. He was admitted to hospital on October 19, 1998 because he had eaten a stench of stench. He consciously found that the stalk was in the upper part of the neck and sternum. When entering dry foods, there was no discomfort in eating rice porridge and drinking water, and no sternal pain and hematemesis were observed. No family history of cancer. Physical examination: Good developmental and nutritional status. The superficial lymph nodes were not touched. Check esophagoscope : distance from incisor 17～2 0c