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目的探讨MRI在小儿病毒性脑炎中的诊断作用。方法将93例小儿病毒性脑炎患儿,随机分为观察组(47例)和对照组(46例),观察组患儿给予MRI扫描,对照组患儿给予CT扫描。结果观察组47例行MRI扫描检查,44例异常,阳性率为93.62%;对照组46例行CT扫描检查,35例异常,阳性率为76.09%。观察组阳性率明显高于对照组,差异有统计学意义(χ~2=5.59,P<0.05)。结论 MRI对小儿病毒性脑炎的敏感性较高,诊断价值较高。
Objective To investigate the diagnostic value of MRI in children with viral encephalitis. Methods Ninety-three children with viral encephalitis were randomly divided into observation group (n = 47) and control group (n = 46). The observation group was given MRI scan and the control group was given CT scan. Results In observation group, 47 cases were examined by MRI and 44 cases were abnormal. The positive rate was 93.62%. In control group, 46 cases were diagnosed by CT scan and 35 cases were abnormal. The positive rate was 76.09%. The positive rate of the observation group was significantly higher than that of the control group, the difference was statistically significant (χ ~ 2 = 5.59, P <0.05). Conclusion MRI is more sensitive to viral encephalitis in children and has a higher diagnostic value.