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目的比较3.0 T常规MRI和MR关节造影检查对肩袖撕裂的诊断价值。方法分析48例肩关节病变患者的常规MRI和MR关节造影检查资料,确定肩袖有无撕裂并进行分型。其中4例行肩关节镜检查。采用配对χ~2检验比较两种检查方法诊断肩袖撕裂的差异性。结果常规MRI显示冈上肌腱全层撕裂6例,冈上肌腱部分撕裂9例;MR关节造影显示冈上肌腱全层撕裂7例,冈上肌腱部分撕裂8例。常规MRI和MR关节造影检查方法对肩袖全层撕裂诊断有6例相同,1例常规MRI诊断无撕裂MR关节造影诊断为撕裂;对肩袖部分撕裂的诊断有7例相同,3例不同,其中2例常规MRI诊断为撕裂而MR关节造影诊断为无撕裂,1例常规MRI诊断为无撕裂而MR关节造影诊断为撕裂;两种检查方法对肩袖全层撕裂(χ~2=0.000,P>0.05)及部分撕裂(χ~2=0.000,P>0.05)的诊断差异无统计学意义。结论初步显示3.0 T常规MRI对肩袖全层撕裂和肩袖部分撕裂的诊断能达到MR关节造影的诊断效果,同时可以显示肩袖撕裂伴发的各种异常。
Objective To compare the diagnostic value of 3.0 T conventional MRI and MR arthroscopy in the diagnosis of rotator cuff tears. Methods 48 cases of patients with shoulder joint disease by conventional MRI and MR joint angiography data to determine whether the rotator cuff tear and type. 4 cases of shoulder arthroscopy. Pairwise χ ~ 2 test was used to compare the differences between the two methods in the diagnosis of rotator cuff tears. Results The conventional MRI showed that there were 6 cases of supraspinatus tendon dissection and 9 cases of supraspinatus tendon partial tear. The MR joint angiography showed that the supraspinatus tendon full tear in 7 cases and the supraspinatus tendon in 8 cases. Conventional MRI and MR arthrodesis were the same in 6 cases of rotator cuff tear diagnosis, 1 case of conventional MRI diagnosis of tear-free MR arthroplasty was diagnosed as tearing, 7 cases of rotator cuff tear diagnosis was the same, 3 cases were different, including 2 cases of conventional MRI diagnosis of tear and MR arthroscopy was no tear, 1 case of conventional MRI diagnosis of no tear and MR arthroscopy was diagnosed as tearing; two checks on the whole sleeve There was no significant difference in diagnosis of tear (χ ~ 2 = 0.000, P> 0.05) and partial tear (χ ~ 2 = 0.000, P> 0.05). Conclusion The preliminary results show that 3.0 T routine MRI diagnosis of rotator cuff tear and partial rotator cuff tear can achieve MR joint diagnostic results, and can show the rotator cuff tears associated with various abnormalities.