强直性脊柱炎骶髂关节病变应用MRI与CT的诊断价值研究

Value of MRI and CT in the diagnosis of sacroiliac joint lesions in ankylosing spondylitis

目的探讨强直性脊柱炎骶髂关节病变应用MRI与CT的诊断价值。方法将2015年1月~2016年1月在我院诊断为强直性脊柱炎患者38例作为观察对象,分别进行CT、MRI检查。结果 MRI检查诊断关节面侵蚀、关节面下骨质囊变、关节面增生硬化的检出率显著高于CT检查(P<0.05),但两种检查诊断关节间隙增宽或狭窄、关节软骨肿胀的检出率比较,差异无统计学意义(P>0.05)。MRI检查诊断强直性脊柱炎骶髂关节病变的Ⅰ级检出率显著高于CT检查,而CT检查诊断强直性脊柱炎骶髂关节病变的0级检出率显著低于MRI检查,差异有统计学意义(P<0.05),但两种检查方法诊断强直性脊柱炎骶髂关节病变的Ⅱ、Ⅲ、Ⅳ检出率比较,差异无统计学意义(P>0.05)。结论 CT与MRI诊断强直性脊柱炎骶髂关节病变均具有较好的诊断价值,但MRI检查更有利于细微病变的检出,更具有一定的诊断优势。

Objective To investigate the value of MRI and CT in the diagnosis of sacroiliac joint lesions in ankylosing spondylitis. Methods From January 2015 to January 2016, 38 patients with ankylosing spondylitis diagnosed in our hospital were selected as observation objects, and CT and MRI examinations were performed respectively. Results MRI diagnosis of articular surface erosion, articular surface, bone cystic hyperplasia of the articular surface hardening rate was significantly higher than that of CT examination, the difference was statistically significant（P〈0.05）, but two kinds of diagnosis of joint gap widened or narrow, articular cartilage swelling ratehad no significant difference（P〉0.05）. The detection rate of MRI diagnosis of sacroiliac joint in ankylosing spondylitis Ⅰ level was significantly higher than that of CT examination and CT examination in the diagnosis of sacroiliac joint in ankylosing spondylitis 0 detection rate was significantly lower than that of MRI examination, the difference was statistically significant（P〈0.05）, but two kinds of method for diagnosis of theⅡ, Ⅲ, Ⅳdetection rate of fault level comparison of sacroiliac joint in ankylosing spondylitis had no significant difference（P〉0.05）. Conclusion CT and MRI have good diagnostic value in the diagnosis of sacroiliac joint in ankylosing spondylitis, but MRI is more conducive to the detection of subtle lesions, and has more advantages in diagnosis.