腰椎间盘MRI高信号区在诊断椎间盘源性下腰痛中的意义

The significance of the high-intensity zone(HIZ) of painful lumbar disc on MRI in diagnosing discogenic low back pain

中文关键词:  椎间盘源性下腰痛,磁共振,高信号区,椎间盘造影术,纤维环破裂,椎间盘退变

英文关键词:Discogenic low back pain,MRI,High-intensity zone,Discography,Anular disruption,Disc degeneration

中文摘要:

  目的:探讨腰椎间盘MRI高信号区(HIZ)在诊断椎间盘源性下腰痛中的作用。方法:对52例经保守治疗无效、CT影像上无腰椎间盘突出的下腰痛患者行腰椎MRI检查和腰椎间盘造影术,分析腰椎间盘MRI高信号区与腰椎间盘造影诱发的下腰痛之间的关系。结果:在行腰椎间盘造影的142个椎间盘中,共有38个椎间盘呈现疼痛复制反应,其中17个椎间盘显示高信号区。这17个有高信号区的椎间盘在椎间盘造影过程中全部呈现2～3级的纤维环破裂和疼痛复制反应。结论:无椎间盘突出的下腰痛患者在腰椎MRI上存在椎间盘内高信号区,可表明该椎间盘是产生腰痛的破裂椎间盘。

英文摘要:

  Objective:To explore the role of a high-intensity zone of painful lumbar disc on magnetic resonance imaging in diagnosing discogenic low back pain.Method:According to MR imaging and awake discography of 52 patients with low back pain without disc herniati