背景:嗜酸粒细胞性胃肠道疾病是以胃肠道的嗜酸粒细胞浸润为特征,其发病率逐渐上升。口服激素通常是一线治疗,但经常复发。长期小剂量激素和免疫抑制剂治疗是必要的(尤其对年轻患者)。有必要用能够长期应用并且副反应少的药物来代替激素。大量文献说明嗜酸粒细胞性胃肠道疾病和 BACKGROUND: Eosinophilic gastrointestinal diseases are characterized by gastrointestinal eosinophil infiltration and their incidence is gradually increasing. Oral hormones are usually first-line treatment, but often recur. Long-term low-dose hormone and immunosuppressive therapy is necessary (especially in young patients). It is necessary to replace hormones with drugs that can be used for a long time with few side effects. A large body of literature describes eosinophilic gastrointestinal disorders and