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目的 :评估高分辨CT对强直性脊柱炎 (AS)骶髂关节改变的诊断价值。方法 :对 86例成人AS患者的骶髂关节行高分辨CT扫描 ,分析其征象 ,用秩和检验法对不同病程组及同一病程组不同性别患者骶髂关节CT改变分级进行统计学处理。结果 :骶髂关节病变的基本征象是关节糜烂、增生硬化、关节间隙改变、关节强直、关节腔内气体影及软组织影。随病程延长病变加重(Ρ <0 .0 1) ,同病程组病人女性病变重于男性 (Ρ <0 .0 1)。结论 :高分辨CT能清晰显示骶髂关节的细微结构 ,有利于认清征象 ,做出正确诊断
Objective: To evaluate the diagnostic value of high resolution CT in the diagnosis of sacroiliac joint in ankylosing spondylitis (AS). Methods: The high-resolution CT scan of sacroiliac joint of 86 adult AS patients was performed. The signs and symptoms of sacroiliac joint were analyzed by rank sum test. The CT grade of sacroiliac joint in different disease groups and in the same disease group were statistically analyzed. Results: The basic signs of sacroiliac joint disease are joint erosion, hyperplasia, joint space changes, ankylosis, gas and soft tissue in the articular cavity. With the prolonged course of disease increased (P <0. 01), with the disease course group of patients with lesions more severe than men (P <0. 01). Conclusion: High-resolution CT can clearly show the microstructure of the sacroiliac joint, help identify the signs and make the correct diagnosis