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目的评价高分辨CT扫描在强直性脊柱炎早期诊断的应用价值。方法随机选取2011年5月至2013年4月收治的强直性脊柱炎的35例患者作为研究对象设为观察组,同时选取同期的10例正常人作为对照组,对所有强直性脊柱炎的患者行常规横断CT扫描和多层螺旋CT薄层高分辨率扫描检查,对比常规CT与高分辨CT的临床检查结果。结果在Ⅰ、Ⅱ级骶髂关节炎诊断中高分辨率薄层扫描与常规横断CT扫描差异有统计学意义(P<0.05),多层螺旋CT薄层高分辨率扫描诊断骶髂关节炎的准确率高于常规横断CT扫描诊断的准确率,差异有统计学意义(90.91%vs 78.57%,P<0.05)。结论在强直性脊柱炎早期诊断中,高分辨CT扫描能清楚的显示骶髂关节的细小病理变化情况。
Objective To evaluate the value of high resolution CT in the early diagnosis of ankylosing spondylitis. Methods A total of 35 patients with ankylosing spondylitis who were admitted to our hospital from May 2011 to April 2013 were selected as the observation group and 10 normal subjects in the same period as the control group. All patients with ankylosing spondylitis Conventional transverse CT scan and multi-slice spiral CT thin-layer high-resolution scanning examination, compared with conventional CT and high-resolution CT clinical examination results. Results There was a significant difference between high-resolution TLC and conventional CT in the diagnosis of grade Ⅰ and Ⅱ sacroiliac arthritis (P <0.05). The accuracy of multi-slice spiral CT in diagnosis of sacroiliitis The diagnostic accuracy of CT scan was higher than that of routine CT scan (90.91% vs 78.57%, P <0.05). Conclusion In the early diagnosis of ankylosing spondylitis, high-resolution CT scan can clearly show the small pathological changes of sacroiliac joint.