暴发型流行性脑膜炎(简称流脑)起病急骤、进展快、病情凶险,发病率有逐年增高趋势[1],早期诊断是保证合理干预治疗、降低病死率的关键。现将我科接诊的3例暴发型流脑误诊原因分析如下。1临床资料1.1例1,男,1.5岁,因“发热1d,双下肢皮肤紫癜16h”于1995年12月20日入院。无惊厥, Outbreak of meningococcal meningitis (referred to as meningitis) rapid onset, rapid progress, dangerous disease, the incidence has increased year by year trend [1], early diagnosis is to ensure reasonable intervention in treatment, reduce the mortality of the key. Now my department admissions of 3 cases of outbreaks of fulminant meningitis misdiagnosis as follows. 1 clinical data 1.1 cases 1, male, 1.5 years old, due to “fever 1d, both lower extremity skin purpura 16h” on December 20, 1995 admission. No convulsion,