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目的探讨强直性脊柱炎(AS)髋关节改变的X线、CT、MRI影像表现,并作出比较。方法回顾分析我院自2010年5月～2012年1月收治的68例确诊为强直性脊柱炎髋关节改变患者的X线平片检查、单排螺旋CT检查和低场强MRI的资料,并对三种检查方法的效果评价(包括临床操作的难度,患者的感觉以及图像质量、诊断准确率等)。结果 MRI不但可以显示X线平片与单排螺旋CT不能显示的骨结构改变,还可以发现X线平片与单排螺旋CT不能发现的急性炎症反应。结论 MRI与X线平片、单排螺旋CT相比可以清晰的显示髋关节改变的急性炎症反应,是临床诊断强直性脊柱炎髋关节改变病变早期的首选影像学诊断方法。
Objective To investigate the X-ray, CT and MRI findings of hip joint changes in ankylosing spondylitis (AS) and to compare them. Methods A retrospective analysis of our hospital since May 2010 ~ January 2012 admitted 68 cases of ankylosing spondylitis in patients with hip joint X-ray examination, single-slice spiral CT examination and low-field MRI data, and Evaluation of the effectiveness of the three methods (including the difficulty of clinical operation, the patient’s perception and image quality, diagnostic accuracy, etc.). Results MRI can not only show the change of bone structure that X-ray film and single-slice spiral CT can not display, but also find the acute inflammatory reaction that X-ray film and single-slice spiral CT can not find. Conclusion Compared with X-ray plain film and single-slice spiral CT, MRI can clearly show the acute inflammatory reaction of hip joint change. It is the first imaging diagnosis method of early diagnosis of hip joint changes in ankylosing spondylitis.