患者男,38岁。咽部异物感,伴轻度刺痛和吞咽阻挡感50多天,加重一个月。曾在当地医院以慢性咽炎治疗无效,于1978年9月25日收入我院。查体及化验检查无异常发现。X线喉部平片:在梨状窝上缘,平第三颈椎处有2.5×2.5厘米圆形软组织阴影,边 Male patient, 38 years old. Pharyngeal foreign body sensation with mild tingling and swallowing sensation for more than 50 days, an increase of one month. He used to treat chronic pharyngitis at a local hospital and was admitted to our hospital on September 25, 1978. Examination and laboratory examinations were found without exception. X-ray laryngeal plain film: in the upper edge of the pear-shaped fossa, there is a 2.5 x 2.5 cm round soft tissue shadow on the third cervical plane.