脑脊髓液(以下简称CSF)的各项检查对中枢神经系统疾患(如炎症、结核、肿瘤及外伤等)的诊断和鉴别诊断具有极重要意义。中枢神经系统多种炎症性疾患如各种脑膜炎、脑炎若能得到早期诊断对预后影响极大。常规的CSF检查仍不失为诊断中枢性疾患 Cerebrospinal fluid (hereinafter referred to as CSF) of the examination of central nervous system disorders (such as inflammation, tuberculosis, cancer and trauma, etc.) diagnosis and differential diagnosis of great significance. A variety of inflammatory diseases of the central nervous system such as various meningitis, encephalitis if they get early diagnosis of great impact on the prognosis. Routine CSF testing remains a central diagnostic issue