The diagnosis of tuberculous meningitis was confirmed by polymerase chain reaction and the discovery of diffuse leptomeningeal enhancement in the basal cistern with downward extension to the spinal cord was made by magnetic resonance imaging 本患者结核性脑膜炎的确诊是经由阳性的结核聚合链反应和核磁共振扫描影像发现在基底池有广泛的软脑膜显影并且向下延伸到脊髓。