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3T磁敏感加权成像中非帕金森病者黑质“燕尾征”存在普遍性的分析 被引量:5

Universality of Swallow Tail Appearance in Nigra of Non-Parkinson's Disease People at 3.0T SWI
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摘要 【目的】采用3.0T磁敏感加权成像(SWI)分析"燕尾征"在非帕金森病者黑质中存在的普遍性,探讨其缺失对帕金森病(PD)的影像诊断价值。【方法】对60例临床确诊的PD患者(PD组)及非PD志愿者(N-PD组)行3.0 TMR磁敏感加权成像,在幅度图上对N-PD组志愿者黑质内"燕尾征"的形态及数量进行分析,并与PD组患者相应区域影像表现进行对照。【结果】排除脑干病变及运动伪影较大的15例患者后,N-PD组49例(96.08%)均在双侧或单侧黑质致密部后外侧见典型"燕尾征";PD组所有54例(100%)"水滴"后方椭圆形高信号均表现缺失,两组差异有统计学意义(P<0.05)。【结论】在3.0T SWI幅度图上非PD者黑质内普遍存在"燕尾征"表现;该征象的缺失对PD的诊断具有极高的灵敏度及特异性。 【Objective】 To analyze the universality of the "swallow tail" appearance in the healthy nigra at 3.0T SWI, and to explore the diagnostic value of its loss in Parkinson's disease. 【Methods】 A total of 60 patients diagnosed with Parkinson's disease(PD group), and 60 non-Parkinson's disease volunteers(N-PD group) were scanned with 3.0T SWI. To analyze the shape, number of"swallow tail" appearances within the N-PD group of volunteers in the magnitude imaging, and compared with the corresponding region in patients of PD group. 【Results】 15 cases with brainstem lesions or heavier motion artifacts were excluded. N-PD group,"swallow tail" appearances were displayed in 49 cases(96.08%) in bilateral or unilateral of the SN; PD group, all 54 cases(100%)of the "swallow tail" appearances completely disappeared. The difference was statistically significant(P 0.05) 【Conclusions】Typical"swallow tail" appearances are prevalent in the substantia nigra of non-Parkinson's disease people in the magnitude imaging at 3.0T MR SWI; the sensitivity of its loss for the diagnosis of Parkinson's disease up to 100% and the specificity of it about 96.08%.
出处 《中山大学学报(医学科学版)》 CAS CSCD 北大核心 2015年第4期635-640,共6页 Journal of Sun Yat-Sen University:Medical Sciences
基金 襄阳市科技计划研究与并发项目(襄科业201411)
关键词 帕金森病 磁敏感加权成像 黑质 Parkinson's disease susceptibility weighted imaging substantia nigra
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参考文献12

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同被引文献42

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