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目的探讨强直性脊柱炎(AS)骶髂关节病变的CT表现特点,帮助临床评估病变程度以提高诊断与鉴别诊断水平。方法分析36例临床确诊AS患者的骶髂关节CT表现特点。结果AS骶髂关节CT表现特点为病变累及骶髂关节滑膜部髂骨侧为主,软骨钙化、关节间隙改变、关节面及面下骨结构改变以及骶髂韧带钙化。结论AS骶髂关节CT表现多种多样,但有一定的规律性。
Objective To investigate the CT features of sacroiliac joint lesions in patients with ankylosing spondylitis (AS) and to help the clinical assessment of the degree of lesions to improve the diagnostic and differential diagnosis. Methods 36 cases of clinically diagnosed AS patients with sacroiliac joint CT features. Results The manifestations of AS sacroiliac joint CT were the iliac side of sacroiliac synovium, cartilage calcification, changes of joint space, changes of articular surface and subsurface bone structure, and sacroiliac ligament calcification. Conclusion AS sacroiliac joint CT performance varied, but there is a certain regularity.