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腰椎间盘突出症的诊断

来源:[标签:来源] | 发布时间:2011-07-26 20:29:15 | www.chinesejk.com
目前临床上诊断椎间盘突出症的影像学检查,有腰椎的CT片、MRI及椎管特殊造影等。
(1)CT片:椎间盘后缘变形或有局部突出影;硬脊膜和脂肪移位,在椎间盘破裂的平面上,两侧对比透亮区不对称;硬脊膜和间隙中有软组织密度影;硬脊膜囊变形,出现卵圆形、新月形压迹影;神经根受压移位;髓核有钙化;椎管内出现真空现象。

(2)磁共振(MRI)成像检查:可清楚地显示出突出髓核的形状(扁平形、圆形、卵圆形或不规则形)。在矢状位图像中,可见到突出的髓核与硬脊膜和脂肪分界清楚,突出的部分髓核与未突出的部分髓核之间有窄颈相连。


(编辑:阳阳 )

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