1病例报告患者男,18岁。1个月前无明显诱因出现间断性腹部绞痛,伴恶心、呕吐,呕吐物为胃内容物,无鲜血及咖啡样物,上述症状可自行缓解。1年前曾在外院诊断为十二指肠球炎。血常规检查提示WBC计数升高,最高达28.8×109/L,给予对症治疗,症状无缓解。入院查体:腹软,上腹部轻压痛,肝脾、肠鸣音肋下未扪及。血常规:WBC计数22.2×109/L,嗜酸性粒细胞(E) 1 case report Patient male, 18 years old. 1 month ago there was no obvious incentive intermittent abdominal cramps, with nausea, vomiting, vomit for the stomach contents, no blood and coffee-like, the above symptoms can be relieved. A year ago in the hospital diagnosed as duodenal inflammation. Blood tests prompted WBC count increased up to 28.8 × 109 / L, given symptomatic treatment, no relief of symptoms. Admission examination: abdominal soft, light tenderness on the abdomen, liver and spleen, bowel sounds no ribs palpable. Blood: WBC count 22.2 × 109 / L, eosinophils (E)