过敏性紫癜是一种由多种因素引起的毛细血管变态反应性疾病,主要侵犯皮肤、关节、肠道及肾脏,而心脏、胰腺及中枢神经系统极少累及。本文综合报告5例少见型过敏性紫癜病例,其中1例似心肌炎,1例似胰腺炎,另3例表现为中枢神经系统病变。典型病例例1 男,10岁。因四肢皮肤紫癜伴间断性呕吐一周,呕血便血1天入院。体检:营养发育中等,急 Henoch-Schonlein purpura is a capillary allergic disease caused by many factors, mainly affecting the skin, joints, intestines and kidneys, with little involvement of the heart, pancreas and central nervous system. This article reports a total of 5 cases of rare allergic purpura cases, including 1 case of myocarditis, 1 case of pancreatitis, and the other 3 cases of central nervous system lesions. A typical case of a male, 10 years old. Due to limb skin purpura with intermittent vomiting a week, vomiting blood in the stool 1 day admission. Physical examination: moderate development of nutrition, anxiety