患者男,9岁。因吞咽异物感进行性加重1月,发现颈部左侧包块1周,于1993年3月12日以“下咽部肿瘤性质待查”入院。检查:一般情况尚可,下咽左侧有核桃大小,呈淡紫色的新生物,表面欠光滑,附有坏死的伪膜,与其四周咽壁无粘连。左侧甲状软骨上角处可触及一大小约15ｃｍ×15ｃｍ?.. Patient male, 9 years old. Due to swallowing foreign body sensation progressive increase in January, found the left mass of the neck for 1 week, on March 12, 1993 to “hypopharyngeal tumor nature to be investigated” admission. Check: the general situation is acceptable swallow left walnut size, pale purple new creatures, the surface is less smooth, with necrosis of the pseudomembrane, and its surrounding pharyngeal wall without adhesion. Left thyroid cartilage at the corner can reach a size of about 15cm × 15cm ?.