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本文报道了６７例中枢神经系统结核的ＣＴ及ＭＲＩ表现，其中结核性脑膜炎３８例，脑结核瘤１８例，结核性脑膜炎合并结核瘤５例、合并脊髓蛛网膜炎６例。头颅ＣＴ对病变显示率为８４．６％，病损类型有基底池渗出物、脑积水、结核瘤、脑梗塞、脑萎缩及基底池钙化等。增强ＣＴ扫描应列为常规检查。４例结核性脊髓蛛网膜炎ＭＲＩ扫描，显示蛛网膜下腔闭塞消失、髓内外结核瘤、脊髓受压或肿胀及晚期空洞形成，此类影像表现既往国内文献无系统报道。ＣＴ及ＭＲＩ各有长短，其定性价值仍需密切结合临床及脑脊液检查
This article reports CT and MRI manifestations of 67 cases of central nervous system tuberculosis, of which 38 cases of tuberculous meningitis, 18 cases of brain tuberculosis, tuberculous meningitis with tuberculosis in 5 cases, combined with spinal cord arachnoiditis in 6 cases. Head CT showed lesions of 84.6%, type of basement exudate lesions, hydrocephalus, tuberculosis, cerebral infarction, brain atrophy and basal cistern calcification. Enhanced CT scan should be classified as routine examination. 4 cases of tuberculous spinal cord arachnoid MRI scan showed disappearance of subarachnoid occlusion, intramedullary tuberculoma, compression or swelling of the spinal cord and the formation of advanced cavitation, such image performance of previous reports of non-systematic domestic literature. CT and MRI have their own length, its qualitative value still need close combination of clinical and cerebrospinal fluid examination