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The comparative study of lumbar disc disruption with MRI and CT discography
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF RADIOLOGY
- Issue:
- 11
- DOI:
- 10.3760/j.issn:1005-1201.2005.11.010
- Key Word:
- 椎间盘;磁共振成像;体层摄影术,X线计算机
Abstract： 目的比较MRI、CT椎间盘造影(CTD)对腰椎间盘破裂的诊断价值.方法选择有慢性下腰痛病史、无典型的神经根性症状和体征、CT平扫和MR检查无腰椎间盘突出征象的16例患者行MR和CTD配对检查;制定统一的CTD分型及阳性椎间盘的标准;观察诱发腰痛与椎间盘内注射对比剂剂量之间的关系.结果 16例(21个腰椎间盘)MR和CTD的配对检查,CTD显示12个腰椎间盘为2型、1个腰椎间盘为5型,合计13个为阳性椎间盘,MRI显示6个腰椎间盘纤维环后方可见高信号区,为椎间盘破裂的间接征象,7个腰椎间盘仅显示退行性改变.结论 CTD是显示椎间盘破裂直接征象的惟一方法;诱发腰痛与腰椎间盘破裂类型有关.常规MRI仅能显示部分腰椎间盘破裂的间接征象,要明确腰椎间盘破裂需行CTD.
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