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MR and CT imaging of cerebral fat embolism
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF RADIOLOGY
- Issue:
- 12
- DOI:
- 10.3760/j.issn:1005-1201.2003.12.015
- Key Word:
- 栓塞,脂肪;脑疾病;体层摄影术,X线计算机;磁共振成像
Abstract： 目的总结脑脂肪栓塞(CFE)的临床及MRI及CT的影像特点.方法分析3例急性CFE的临床表现、影像特点.结果 (1)3例均为长骨骨折,在外伤后或骨折固定、复位数小时后突发精神状态改变.(2)醒状昏迷是主要临床表现.(3)3例患者MRI能明确显示病灶,1例CT显示了病灶.(4)MRI、CT显示脑内病灶均呈基本对称性分布,为边缘模糊的点、片状长T1、长T2信号,CT呈低密度.病灶均累及脑干、分水岭区脑白质、基底节区、胼胝体压部.2例病灶累及小脑.(5) 1例患者发病康复治疗3个月后MRI复查示脑内病灶完全消失.结论急性脑脂肪栓塞的临床及MRI、CT影像改变具有特征性,MRI在病灶显示上优于CT.
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