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目的：探讨结核性脑脊髓炎蛛网膜炎的临床表现、脑脊液及MRI特点，提高对该病的早期诊断率。方法分析20例结核性脑脊髓蛛网膜炎临床特点和MRI表现，并以同期随机抽取的20例结核性脑膜炎患者作为对照，分析两者在脑脊液蛋白质、糖、氯化物、有核细胞数等方面差异。结果结核性脑脊膜脊髓炎以二便障碍、感觉障碍、肢体瘫痪及神经性根痛为常见的临床表现；脑脊液蛋白明显高于单纯性结核性脑膜炎组(<0.05)；在MRI上可出现脊髓脊膜异常信号，增强不均匀强化及蛛网膜下腔变窄等。结论脑脊液蛋白显著增高是该病的主要特点，MRI检查有助于早期诊断。“,”Objective To investigate the possible early diagnosis measures through analyzing the clinical characteristics,cerebrospinal fluid (CSF) features and magnetic resonance imaging (MRI)of tuberculous meningomyelitis.Methods 20cases of tuberculous meningomyelitis were retrospectively analyzed in clinical manifestations and MRI images,and we compared their protein,glucose and chloride concentration and the white blood cell count of CSF in 20cases of tuberculous meningitis;Magnetic resonance imaging (MRI)revealed abnomal signal that was uneven reinforced on contrast-enhanced MRI in spinal medulla and meninges and narrowing of subarachnoid pace.Results The CSF protein concentration in these patients were more higher than the subjects of tuberculous meningitis( <0.05)Magnetic resonance imaging(MRI)revealed abnomal signal that was uneven reinforced on contrast-enhanced MRI in spinal medulla and meninges and narrowing of subarachnoid pace.Conclusion The markedly higher CSF protein concentration was the principal character of the tuberculous meningomyetitis.MRI may facilitate early diagnosis of tuberculous meningomyelitis.