圣路易斯脑炎与黑质：磁共振成像评估
St. Louis encephalitis and the substantia nigra: MR imaging evaluation.
作者信息
Cerna F, Mehrad B, Luby J P, Burns D, Fleckenstein J L
机构信息
Department of Internal Medicine, The University of of Texas Southwestern Medical Center at Dallas 75235-8896, USA.
出版信息
AJNR Am J Neuroradiol. 1999 Aug;20(7):1281-3.
Abstract
Neuroimaging findings in cases of St. Louis encephalitis (StLE) have yet to be reported despite the relatively high frequency of this entity. An epidemic permitted the documentation of isolated hyperintensity of the substantia nigra on T2-weighted images in two patients with StLE. This distribution of MR imaging abnormality in cases of StLE mirrors the reports presented in the literature that implicate the substantia nigra as peculiarly susceptible to the StLE virus. Isolated lesions of the substantia nigra revealed by T2-weighted imaging should suggest the possibility of StLE.
摘要
尽管圣路易斯脑炎（StLE）病例相对高发，但尚未有关于其神经影像学表现的报道。一次疫情使得两名患有StLE的患者在T2加权图像上出现黑质孤立性高信号的情况得以记录。StLE病例中这种磁共振成像异常的分布情况与文献报道相符，这些报道表明黑质对StLE病毒特别易感。T2加权成像显示的黑质孤立性病变应提示StLE的可能性。
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