患者,男,7岁.半年来阵发性腹部疼痛,位于脐周,突然发作与终止,平均3～5天发作一次,每次持续5分钟左右,腹痛较剧烈,有时患儿难以忍受,发作后出现嗜睡、头昏、全身困乏等症状。曾在当地医院就诊为儿童蛔虫病,3次服用驱虫药物治疗无效,大便一直未发现蛔虫。来我院查体无 Patients, male, 7 years old .For half a year, paroxysmal abdominal pain, located in the umbilical cord, sudden onset and termination, an average of 3 to 5 days attack, each lasting about 5 minutes, abdominal pain is more severe, and sometimes unbearable children, attack After drowsiness, dizziness, tiredness and other symptoms. Have been in a local hospital for children with ascariasis, 3 times taking deworming drug treatment ineffective, stool has not found roundworms. No physical examination in our hospital