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过敏性紫癜(HSP)是儿童常见的一种全身性小血管炎症疾病,以胃肠道症状累及者称为腹型HSP.腹型HSP的主要诊断依据来自于消化内镜检查,内镜检查可以直视消化道病变情况并能取活检,对HSP累及胃肠道的早期诊断有无可替代的价值.现对国内外关于儿童腹型HSP内镜应用的文献报道作一综述,总结儿童腹型HSP的内镜下特点及诊断.“,”Henoch-Scho..nlein purpura (HSP) is a common systemic inflammatory disease of small blood vessels in children. With the gastrointestinal involvement, it is called abdominal type of HSP. The main diagnostic method of abdominal type of HSP is gastrointestinal endoscopy, which can scan the digestive tract lesions directly and take the biopsy. It is of irreplaceable value for the early diagnosis of HSP with gastrointestinal involvement. This article reviews the literatures of endoscopy application in pediatric abdominal type of HSP at home and abroad, and summarizes the endoscopic features and diagnosis of abdominal HSP in children.