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Serum and cerebrospinal fluid neuron-specific enolase for diagnosis of tuberculous meningitis

 Tae-Jin Song  ;  Young-Chul Choi  ;  Kyung-Yul Lee  ;  Won-Joo Kim 
 Yonsei Medical Journal, Vol.53(6) : 1068-1072, 2012 
Journal Title
 Yonsei Medical Journal 
Issue Date
PURPOSE: Late diagnosis and treatment lead to high mortality and poor prognosis in tuberculous meningitis (TbM). A rapid and accurate diagnosis is necessary for a good prognosis. Neuron-specific enolase (NSE) has been investigated as a biochemical marker of nervous tissue damage. In the present study, the usefulness of NSE was evaluated, and a cut-off value for the differential diagnosis of TbM was proposed. MATERIALS AND METHODS: Patient charts were reviewed for levels of serum and cerebrospinal fluid (CSF) NSE, obtained from a diagnostic CSF study of samples in age- and gender-matched TbM (n=15), aseptic meningitis (n=28) and control (n=37) patients. RESULTS: CSF/serum NSE ratio was higher in the TbM group than those of the control and aseptic groups (p=0.001). In binary logistic regression, CSF white blood cell count and CSF/serum NSE ratio were significant factors for diagnosis of TbM. When the cut-off value of the CSF/serum NSE ratio was 1.21, the sensitivity was 86.7% and the specificity was 75.4%. CONCLUSION: The CSF/serum NSE ratio could be a useful parameter for the early diagnosis of TbM. In addition, the authors of the present study suggest a cut-off value of 1.21 for CSF/serum NSE ratio.
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1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Neurology (신경과학교실)
Yonsei Authors
김원주(Kim, Won Joo) ; 송태진(Song, Tae Jin) ; 이경열(Lee, Kyung Yul) ; 최영철(Choi, Young Chul)
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