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目的 提高对直背综合征临床及X线征象的认识。方法 2 1例中男 1 2例 ,女 9例 ,年龄 1 5～ 36岁 ,平均 2 1岁。常规摄取标准正位及左侧位胸片 ,测量胸腔前后径及横径 ,计算胸腔前后径与横径之比率。结果 本组胸腔前后径 :男 5 .3～ 8.5cm ,平均6 .6cm ;女 4 .2～ 8.1cm ,平均 6 .2cm。胸腔前后径与横径的比值为 :男 0 .2 2～ 0 .37,平均 0 .34 ;女 0 .1 9～ 0 .36 ,平均 0 .31。结论 胸腔前后径与横径的比≤ 0 .37是本征的诊断依据
Objective To improve the clinical diagnosis of straight-back syndrome and X-ray findings. Method 2 1 case of male 12 cases, 9 females, aged 15 to 36 years, mean 21 years. Routine uptake of standard positive and left chest radiographs, chest and anteroposterior diameter and transverse diameter measurements to calculate the ratio of thoracic anteroposterior diameter and transverse diameter. Results The anteroposterior diameter of this group: male 5.3 ~ 8.5cm, an average of 6. 6cm; female 4 .2 ~ 8.1cm, an average of 6.2cm. Thoracic anteroposterior diameter and the ratio of the diameter: male 0.22 ~ 0 .37, an average of 0.34; female 0.19 ~ 0.36, an average of 0.31. Conclusion The ratio of thoracic anteroposterior diameter to transverse diameter ≤ 0.37 is the basis of intrinsic diagnosis