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目的 :回顾性分析脊椎滑脱的CT表现并讨论其检查方法、诊断和鉴别诊断。方法 :13例患者先行腰椎侧位扫描定位图像 ,采用与椎间盘平行的角度 ,自病变椎体的上一椎体下缘扫描至下一椎体上缘 ,层厚 5mm ,间隔 5mm。结果 :13例中真性滑脱 9例 ,假性滑脱 4例 ;发生在腰 5者 8例 ,腰 4者 5例 ;Ⅰ°滑脱 7例 ,Ⅱ°滑脱 6例 ;CT表现为“双边征”和椎体后下缘椎间盘对称性突出 ;伴峡部裂 7例 ,椎弓发育不良 2例 ,椎小关节增生 10例 ,椎管变形 8例 ,侧隐窝狭窄 2例 ,相邻椎间盘退变 10例。结论 :CT对诊断脊椎滑脱及评价脊椎滑脱的病因是一种有价值的检查方法。
OBJECTIVE: To retrospectively analyze the CT findings of spondylolisthesis and to discuss its examination, diagnosis and differential diagnosis. Methods: Thirteen patients underwent lateral scans of the lumbar vertebrae. Scanning from the lower edge of the vertebral body to the upper edge of the next vertebral body, the thickness of the lesion was 5mm and the interval was 5mm. Results: Among the 13 cases, 9 cases were true spondylolisthesis and 4 cases were false spondylolisthesis. Among them, 8 cases occurred in the lumbar spine 5 cases and 5 cases in the lumbar spine 4 cases. There were 7 cases with Ⅰ ° spondylolisthesis and 6 cases with Ⅱ ° spondylolisthesis. Disc herniation under the edge of the disc symmetry prominent; with isthmic spondylolysis in 7 cases, 2 cases of pedicle dysplasia, pedicle hyperplasia in 10 cases, 8 cases of spinal canal deformity, lateral recess stenosis in 2 cases, adjacent disc degeneration in 10 cases . Conclusion: CT is a valuable diagnostic method for the diagnosis of spondylolisthesis and evaluation of the etiology of spondylolisthesis.