摘要
目的探讨MRI在强直性脊柱炎骶髂关节病变诊断中的价值。方法回顾性分析84例强直性脊柱炎骶髂关节病变患者的MRI影像资料。结果 MRI诊断强直性脊柱炎骶髂关节病变0级2例,Ⅰ级43例,Ⅱ级23例,Ⅲ级14例,Ⅳ级2例;Ⅰ～Ⅱ级MRI表现为骨质关节面模糊粗糙、骨髓水肿、骨质软骨受损等,在T1WI、T2WI、短时反转恢复序列多表现为低信号或等信号;Ⅲ～Ⅳ级MRI上炎性病变表现较明显,可见骨髓水肿、骨质软骨受损、滑膜厚度增加及脂肪沉积等,T1WI、T2WI多为高信号,短时反转恢复序列上信号不均匀和不完整。结论 MRI可早期观察骶髂关节滑膜和周围软组织的病变情况,在强直性脊柱炎骶髂关节病变早期诊断中具有重要价值。
Objective To explore the value of MRI to the diagnosis of sacroiliac joint lesions in patients with ankylosing spondylitis（AS）.Methods The MRI data of sacroiliac joint lesions were retrospectively analyzed in 84 patients with AS.Results MRI results revealed grade 0sacroiliac joint lesion in 2 patients,grade 1 in 43,gradeⅡ in 23,gradeⅢ in 14 and gradeⅣ in 2.The MRI findings of grade Ⅰ to Ⅱ sacroiliac joint lesions were featured by fuzzy and rough bone articular surface,bone marrow edema,bone cartilage damage,and low or equal signal on T1 weighted image（T1WI）,T2 weighted image（T2WI）and short time inversion recovery（STIR）.The MRI findings of gradeⅢ to Ⅳ were featured by obvious inflammatory lesions,bone marrow edema,bone cartilage damage,increased thickness of synovial membrane and fat deposition,high signal on T1 WI and T2 WI,and inhomogeneous and incomplete signal on STIR sequence.Conclusion MRI can be used to observe the lesions of synovial membrane and surrounding soft tissues,and has an important value to the early diagnosis of sacroiliac joint lesions in patients with AS.
出处
《中华实用诊断与治疗杂志》
2016年第6期609-610,共2页
Journal of Chinese Practical Diagnosis and Therapy
