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弥散加权成像呈假阴性的后循环急性脑梗死二例 被引量:3

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摘要 病例1 男,46岁,2005年3月10日10时突发左侧肢体无力,逐渐加重,当天下午2时到同济大学脑血管疾病治疗中心急诊。既往有高血压史2年,否认糖尿病史。入院时血压170/100mmHg,脉搏800次/min,呼吸18次/min,神志清楚,左侧轻度中枢性面神经瘫痪,仲舌居中,左上肢肌力0级,下肢1级,美国国立卫生研究院卒中量表(NIHSS)评分9分。发病后6h行超导型磁共振成像(美国Marconi 1.5T EDGE ECLIPSETM)检查,示右侧枕叶陈旧性梗死,弥散加权成像(DWI)、T1、T2加权成像(T1W1,T2W1)未示脑干异常,见图1a~1c。影像学结果不能解释临床症状。按缺血性脑血管病治疗,
出处 《中国脑血管病杂志》 CAS 2006年第3期138-139,144,共3页 Chinese Journal of Cerebrovascular Diseases
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参考文献8

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同被引文献26

  • 1Oliveria-Filho J,Koroshetz WJ.Magnetic resonance imaging in acute stroke:Clinical perspective[J].Top Magn Reson Imaging,2000,11(5):246.
  • 2Inatomi Y,Kimura K,Yonehara T.Hyperacute diffusion-weighted imaging abnormalities in transient ischemic attack patients signify irreversible ischemic infarction[J].Cerebrovasc Dis,2005,19(6):362-368.
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  • 6Kitis O,Calli C,Yunten N.Wallenberg′s lateral medullary syndrome:diffusion-weighted imaging findings[J].Acta Radiol,2004,45(1):78-84.
  • 7Lanahery MG, Thijs VN, Ali Jo, et al. Evolution of apparent diffusion eofffieient, diffusion-weighted,and T2-weighted signal intensity of acute stoke. AJNR, 2001,22:637.
  • 8Na DG ,Thijs VN, Albers GW, et al. Diffusion-weighted MR imaging in acute ischemia : value of apparent diffusion coefficient and signal inten- sity thresholds in predicting tissue at risk and final infarct size. AJNA, 2004,25 : 1331-1336.
  • 9Li F,Liu KF,Silva MD,et al. Transent and permanent resolution of ischemic lesions on diffusion-weighted imaging "after brief periods of focal ischemia in rats: correlation with histopathology. Stroke, 2000, 31 : 946-954.
  • 10冯建明,钦建平,孙伟明,等.超急性脑梗死磁共振弥敞成像143例分析.中国误诊误治杂志,2008,8:151-152.

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