腹型过敏性紫癜与皮疹同时出现或发生于皮疹之后临床诊断不难,但如果发生在皮肤病变之前,因其临床症状及体征上无特异性,不易与其他腹部疾病相鉴别,易发生误诊。1病历摘要例1:男,12岁。因脐周疼痛2 h来诊,门诊以急性胃肠炎给予对症处理。2 d后出现皮肤紫癜复诊,诊断为腹型过敏? Abdominal allergic purpura and rash occur at the same time or occur after the rash clinical diagnosis is not difficult, but if it occurs before the skin lesions, because of its clinical symptoms and signs of non-specific, easy to distinguish with other abdominal diseases, prone to misdiagnosis. 1 Medical Summary Example 1: Male, 12 years old. Due to umbilical pain 2 h to the clinic, outpatient symptomatic treatment with acute gastroenteritis. 2 days after the skin purpura referral, diagnosis of abdominal allergy?