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首页> 外文期刊>Neuroimaging clinics of North America >Imaging of topographic viral CNS infections.
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Imaging of topographic viral CNS infections.

机译：地形性病毒CNS感染的影像学。

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摘要

Infections caused by enteroviruses, rabies, adenoviruses, and Nipah and Hanta viruses are discussed. Several studies defined the pattern of MR imaging findings in these disease processes that reflect parenchymal infiltration with inflammatory cells, typically visualized as areas of low attenuation on CT, as well as of low T1 and high T2 signal intensity on MR imaging. Diffusion-weighted MR imaging has been shown to be superior to conventional magnetic resonance imaging for the detection of early signal abnormalities in encephalitis. Focal unilateral hyperperfusion as visualized by SPECT appears to be an indicator of severe inflammation of the brain tissue and was found to be an independent predictor of poor prognosis, whereas clinical outcome variables, CSF, or EEG findings are not.
机译：讨论了由肠病毒，狂犬病，腺病毒以及Nipah和Hanta病毒引起的感染。几项研究定义了这些疾病过程中MR影像学表现的模式，反映了炎性细胞的实质浸润，通常表现为CT上低衰减的区域，以及MR影像上T1和T2信号强度低的区域。在脑炎的早期信号异常检测中，弥散加权MR成像优于传统的磁共振成像。 SPECT可视化的局灶性单侧高灌注似乎是脑组织严重炎症的指标，并且被发现是预后不良的独立预测因素，而临床结果变量，CSF或EEG结果却并非如此。

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