脑脊液鼻漏分外伤性和非外伤性,90%为外伤性引起的,病史明确,诊断清楚,但有很多迟发性或原因不明引起者临床易误诊。我院2007/2009年有2例脑脊液鼻漏误诊为过敏性鼻炎,报告如下。1病历摘要例1:男,45岁。因右侧鼻腔持续性流清水1 a余入院,5 a前头部受外力碰撞,当时无明显不适,1 Cerebrospinal fluid rhinorrhea points traumatic and non-traumatic, 90% traumatic, history clear, the diagnosis is clear, but there are many delayed or unexplained cause of clinical misdiagnosis. My courtyard 2007/2009 2 cases of cerebrospinal fluid rhinorrhea misdiagnosed as allergic rhinitis, the report is as follows. 1 Medical Summary Example 1: Male, 45 years old. Due to the right side of the nasal continuous flow of water more than 1 a admission, 5 a before the head by an external force collision, then no obvious discomfort, 1