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目的:探讨强直性脊柱炎的CT及MR影像学特征,比较这两种影像检查方法在诊断早期强直性脊柱炎中的作用。方法:随机选取2010年6月至2012年1月在本院接受治疗的强直性脊柱炎患者52例,将其平均分成两组,即CT检查组(26例)和MR检查组(26例),分别对两组检查方法在0至二级强直性脊柱炎病变中的检出率进行评价,并对检查结果进行统计学分析。结果:在Ⅰ至Ⅱ级病变中,MR检查组比CT检查组发现病变的几率更高,两组诊断符合率分别为94.6%和58.6%,差异有统计学意义(P<0.01)。CT、MR检查方法对于Ⅰ、Ⅱ级病变的区别,比较差异无统计学意义(P>0.05)。结论:在强直性脊柱炎的影像学检查中,CT和MR检查方法各有特点,具有一定的特异性,但MR比CT发现病变更为显著,影像学综合检查对确诊病变具有重要意义。
Objective: To investigate CT and MR imaging features of ankylosing spondylitis and to compare the roles of these two imaging modalities in the diagnosis of ankylosing spondylitis. Methods: Totally 52 patients with ankylosing spondylitis treated in our hospital from June 2010 to January 2012 were randomly divided into two groups: CT examination group (26 cases) and MR examination group (26 cases) , Respectively, the two groups of test methods in the 0 to two ankylosing spondylitis lesions in the detection rate were evaluated, and the test results were statistically analyzed. Results: In grade Ⅰ to Ⅱ lesions, the MR examination group had a higher incidence of lesions than the CT examination group. The diagnostic coincidence rates of the two groups were 94.6% and 58.6%, respectively, with statistical significance (P <0.01). There was no significant difference between CT and MR methods for grade Ⅰ and Ⅱ lesions (P> 0.05). Conclusion: In the imaging examination of ankylosing spondylitis, the CT and MR examination methods have their own characteristics and certain specificity. However, the lesions are more obvious than the CT and the comprehensive imaging examination is of great significance for the diagnosis of the disease.