强直性脊柱炎骶髂关节病变MSCT评价

目的评价强直性脊柱炎骶髂关节病变的cT征象和诊断价值。方法对34例临床综合诊断为强直性脊柱炎骶髂关节病变患者行MSCT检查，进行图像后处理，参照纽约诊断标准分析评级，并对不同年龄组及不同病程组患者骶骨关节CT表现进行评价和统计学处理。结果本组无0级表现病例；Ⅰ级3例，占8．82％；Ⅱ级10例，占29.41％；Ⅲ级16例，47．05占％；Ⅳ级5例，占14．70％。不1同年龄组和不同病程的强直性脊柱炎骶髂关节病变CT表现明显不同，并有统计学意义（P〈0．05）。结论MSCT能对强直性脊柱炎骶髂关节病变作出正确诊断和临床分期。

MSCT evaluation of ankylosing spondylitis of sacroiliac joint

Objective To evaluate the value of MSCT in the sacroiliac joint of ankylosing spondylitis（AS）. Methods MSCT scan of 34 patients with AS were performed and then image post proceeding were made, data set were graded on the basis of the New York diagnostic criteria grading. CT features in different age group and duration of the ankylosing spondylitis were respectively assessed. Statistical analysis was done. Results The group were as fullows, grade 0 were not seen; grade Ⅰ in 3 eases （8.82%）; grade Ⅱ in 10 eases （29.41%）; gradeⅢ in 16 eases （47.05%）; grade Ⅳ in 5 eases （14.7%）. The eharacterlstics of CT were significantly different in both different age group and duration of AS（P〈0.05）. Conclusion With the features of MSCT of saeroitiac joint, it can be used for clinical stage and early treatment of AS.