海洛因中毒性脑病的影像表现  

The image features of toxic encephalopathy induced by heroin

作　　者：周文明 张京 卢德奇 任小平 黎湘泉 姚青松 

机构地区：[1]湖南省岳阳市一人民医院放射科,湖南岳阳414100

出　　处：《罕少疾病杂志》2008年第2期19-22,共4页Journal of Rare and Uncommon Diseases

摘　　要：目的提高对海洛因中毒性脑病的认识和诊断水平。方法报告6例海洛英中毒性脑病的临床及影像表现并复习文献资料。结果全部患者幕上半球脑白质,小脑半球、桥脑、内囊后肢及膝部、胼胝体压部及膝部均见双侧对称性异常改变,灰质核团可受累,CT表现为低密度,MRI均表现为T1WI呈低信号,T2WI及FLAIR序列为不均匀或均匀高信号。结论海洛因中毒性脑病具有典型的影像表现,结合病史CT和MRI诊断具有特异性。Objective To improve the diagnosis of toxic encephalopathy induced by heroin. Met.hods 6 cases with toxic encephalopathy after inhaling and injecting heroin were reported and the literature were reviewed Results In all patients, bilateral and symmetrical lesions were seen in the white matter of the cerebrum, cerebellum, posterior limb of internal capsule,knee joint, the internal callosum and pons. Some grey matter nucleus were involved. These lesions displayed hypointensity on T1WI and homogeneous or heterogeneous hyperintensity on T2WI and FLAIR. Conclusion Toxic encephalopathy induced by heroin has some characteristics of CT and MRI, which are very helpful to the diagnosis, combining with the history of heroin addiction.

关 键 词：海洛因 中毒性脑病 磁共振成像 

分 类 号：R445.2[医药卫生—影像医学与核医学] R814.42[医药卫生—诊断学]