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病毒性脑炎的CT和MRI诊断
引用本文:鱼博浪 王泽忠. 病毒性脑炎的CT和MRI诊断[J]. 中华放射学杂志, 1995, 29(12): 837-840
作者姓名:鱼博浪 王泽忠
作者单位:西安医科大学第一附属医院医学影像中心
摘    要:
作者报告18例病毒性脑炎,着重分析其影像学表现特点。5例乙型脑炎和3例腮腺炎病毒性脑炎均位于基底节丘脑区,均为双侧多发病灶。5例单纯疱疹病毒性脑炎主要侵犯单侧或双侧颞叶。经手术病理证实的5例发生于额叶的病毒性脑炎病变范围大,占位效应显著,似胶质瘤表现。所有病例CT平均均为低密度。MRT2加权像呈高信号,多不表现强化,少数病灶内可见出血。对病毒性脑炎的鉴别诊断进行了。

关 键 词:流行性脑炎 CT NMR 成像

CT and MRI Diagnosis of Viral Encephalitis
Yu Boloang, Wang Zezhong, Yang Guangfu et al.. CT and MRI Diagnosis of Viral Encephalitis[J]. Chinese Journal of Radiology, 1995, 29(12): 837-840
Authors:Yu Boloang   Wang Zezhong   Yang Guangfu et al.
Abstract:
The authors analyzed the imaging characteristics of 18 cases with viral encephali-tis,Encephalitis B and mumps virus encephalitis mainly affected the basal ganglia and/or thalamic re-gion,bilateral and multifocal,Herpes simplex encephalitis involved unilateral or bilateral temporal lobes. Lesions of frontal lobes in five cases were extensive with prominent mass effect mimicking glioma. The appearance of lesions was of low density on plain CT and hyperintense on T_2 weighted MR image. No contrast enhancement was observed in most cases,focal hemorrhage might be en-countered in some case. Differential diagnosis was discussed
Keywords:Encephalitis Magnetic resonance imaging Tomography X-ray computed  
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