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目的探讨斜冠状位喙肱韧带(CHL)磁共振影像对冻结肩的诊断价值。方法正常健康志愿者60例作为对照组,男、女各30例,共120侧肩,平均年龄50.5岁。72例冻结肩患者作为FS组,72例72侧肩,其中男22例,女50例、平均年龄53.5岁。肩关节磁共振扫描并测量CHL厚度,进行统计学处理。结果 CHL显示率:FS组斜冠状位CHL显示率87.5%(63/72)和对照组86.7%(104/120)比较,差异无统计学意义(P>0.05)。FS组轴位CHL显示率19.4%(14/72)和对照组24.2%(29/120)比较,差异无统计学意义(P>0.05)。CHL厚度测量:FS斜冠状位(n=63)CHL厚度(4.37±1.71)mm与对照组斜冠状位(n=104)CHL厚度(2.84±0.79)mm比较,差异有统计学意义(P<0.001)。FS组轴位(n=14)CHL厚度(3.93±1.49)mm,与对照组轴位(n=29)CHL厚度(2.29±0.65)mm比较,差异有统计学意义(P<0.001)。结论冻结肩CHL增厚,斜冠状位CHL厚度均值4.37 mm,提示冻结肩。
Objective To investigate the diagnostic value of oblique coronal Belarular ligament (CHL) magnetic resonance imaging on frozen shoulder. Methods 60 healthy volunteers as control group, 30 males and 30 females, a total of 120 sides of the shoulder, with an average age of 50.5 years. 72 patients with frozen shoulder as the FS group, 72 cases of 72 side shoulders, including 22 males and 50 females, mean age 53.5 years old. Shoulder MRI was performed and CHL thickness was measured for statistical analysis. Results CHL display rate: There was no significant difference in the CHL display rate of 87.5% (63/72) in oblique coronal group and 86.7% (104/120) in control group (P> 0.05). There was no significant difference in the axial CHL display rate between 19.4% (14/72) in FS group and 24.2% (29/120) in control group (P> 0.05). CHL thickness measurement: The CHL thickness (4.37 ± 1.71) mm in FS oblique coronal plane (n = 63) was significantly different from that in control group (2.84 ± 0.79) mm diagonal coronal plane (n = 104) 0.001). The CHL thickness in the FS group (n = 14) was 3.93 ± 1.49 mm, which was significantly different from the CHL thickness in the control group (n = 29) (2.29 ± 0.65) mm (P <0.001). Conclusion Frozen shoulder CHL thickening, oblique coronal CHL thickness mean 4.37 mm, suggesting frozen shoulder.