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引用次数: 0
死后MRI偶然发现单纯疱疹病毒性脑炎
我们描述了一个61岁男子被发现死在家中的案例。他没有任何疾病,死前也没有任何症状。尸检时发现了肺炎的迹象。脑宏观检查未见病理改变。大脑的显微镜检查显示脑干内有小群炎症细胞。详细分析脑MR图像,显示额叶和颞叶t1加权图像低强度,t2加权图像高强度,扣带皮层、边缘叶和左岛叶皮层受损。这些图像引起了对单纯疱疹病毒脑炎的怀疑。神经病理和免疫组化检查显示脑干中CD3+和CD8+ t细胞浸润。除了这些浸润外,我们还发现CD68+巨噬细胞和活化的小胶质细胞。此外,我们可以通过免疫组织化学方法显示海马的HSV-1和HSV-2阳性。通过这个病例报告,我们想说明在死后诊断单纯疱疹脑炎的困难,以及诊断是多么容易被遗漏,特别是如果一个人在死前没有表现出任何症状。为了发现这种脑炎,必须进行几项检查;但在开始这些检查时,必须了解患者的临床病史,并且必须唤起对脑炎的怀疑。此外,这个病例强调了核磁共振成像对正确评估大脑的重要性,以及医学-法律案件跨学科工作的价值。
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