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目的探讨磁共振成像(MRI)对腰椎小关节退变的早期诊断价值,优化腰椎的MRI扫描序列。方法回顾性分析568例腰椎小关节退变的影像学资料,运用χ~2检验对其每项影像学征象的常规MRI及脂肪抑制序列检查结果进行统计学分析。结果脂肪抑制序列显示腰椎小关节退变的早期炎性渗出性病变优于常规MRI(P<0.05);而对于关节骨质退变的观察二者无统计学差异(P>0.05)。结论对于早期或慢性期急性发作的腰椎小关节退变患者,行常规MRI检查的同时应加扫轴位薄层脂肪抑制序列。
Objective To investigate the early diagnostic value of magnetic resonance imaging (MRI) for the degeneration of lumbar facet joint and optimize the MRI scan sequence of lumbar spine. Methods A retrospective analysis of 568 cases of lumbar facet joint degeneration imaging data, the use of χ ~ 2 test for each of its imaging features of conventional MRI and fat suppression sequence test results were statistically analyzed. Results The fat suppression sequence showed that the early inflammatory exudative lesion of facet joint degeneration was superior to conventional MRI (P <0.05), while there was no significant difference between the two groups (P> 0.05). Conclusion In patients with early or chronic degenerative lumbar facet joint degeneration, the conventional thin-layer fat suppression sequence should be added at the same time of routine MRI examination.