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The MR imaging findings in spontaneous spinal epidural hematoma
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF RADIOLOGY
- Issue:
- 5
- DOI:
- 10.3760/j.issn:1005-1201.2003.05.003
- Key Word:
- 血肿,硬膜外;脊髓疾病;磁共振成像
Abstract： 目的对自发性脊髓硬膜外血肿(SSEH)的临床及MRI表现进行分析.方法搜集1994～2001年的8例SSEH患者,其中男5例,女3例,年龄16～50岁.8例患者均无外伤、血液病等病史,1例有高血压病史,于发病4 h至3 d后分别行MR检查.8例均经手术病理证实.结果血肿发生于颈椎3例、胸椎2例、颈胸交界部2例、胸腰段1例;血肿位于硬膜外腔的侧后方或正后方,呈梭形,范围长短不一,境界清楚.其中1例血肿为血管畸形(AVM)所致,有2例局部伴有椎间盘突出.血肿信号随时间长短各有差异,在T1WI矢状面和冠状面7例表现为等信号,1例表现为略高信号;在T2WI矢状面和轴面,6例表现为混杂信号,2例表现为混杂高信号.结论 MRI对SSEH的定位、定性及鉴别诊断具有重要作用.
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