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    数字X线成像联合双能量减影技术诊断尘肺病的临床应用探讨

    Clinical application of digital radiography combined with dual-energy subtraction in the diagnosis of pneumoconiosis

      摘要
    • 摘要:
      目的探讨数字X线成像（DR）联合双能量减影技术（DES）在尘肺病诊断中的临床应用价值。
      方法选取尘肺病病人共102例，分别使用DR联合DES及胶片-增感屏X线摄影技术（FSR）拍摄全胸片，比较两种摄片方法胸片图像质量及诊断信息。
      结果DR联合DES的优片率、良片率、差片率、废片率分别为96.08%、3.92%、0.00%、0.00%，FSR的优片率、良片率、差片率、废片率分别为72.55%、16.67%、7.84%、2.94%，DR联合DES优片率明显高于FSR（P < 0.01）。DR联合DES共检出壹期以上尘肺病病人81例，检出率为79.41%；FSR共检出壹期以上尘肺病病人61例，检出率为59.80%；DR联合DES尘肺病检出率高于FSR（P < 0.05）。DR联合DES对纵隔淋巴结肿大、肺部感染、肺气肿、胸膜增厚的检出率高于FSR（P < 0.05~P < 0.01）。DR联合DES检测同期别尘肺病小阴影分布范围大于FSR。
      结论DR联合DES具有更佳的图像质量表现和检出率，可应用于尘肺病的检查及诊断。

       

      Abstract:
      ObjectiveTo explore the clinical application value of digital radiography (DR) combined with dual-energy subtraction (DES) in the diagnosis of pneumoconiosis.
      MethodsA total of 102 patients with pneumoconiosis were selected and underwent both DR combined with DES and film-screen radiography (FSR) to take the whole chest radiography.The image quality and diagnostic information of the two techniques were compared.
      ResultsThe rate of excellent film, fine film, poor film and waste film of DR combined with DES was 96.08%, 3.92%, 0.00% and 0.00%, respectively; which of FSR was 72.55%, 16.67%, 7.84% and 2.94%, respectively; the rate of excellent film of DR combined with DES was significantly higher than that of FSR (P < 0.01).Eighty-one cases of pneumoconiosis above stage one were detected by DR combined with DES, the detection rate of which was 79.41%;sixty-one cases of pneumoconiosis above stage one were detected by FSR, the detection rate of which was 59.80%;the detection rate of DR combined with DES for pneumoconiosis was higher than that of FSR (P < 0.05).The detection rate of DR combined with DES for mediastinal lymphadenopath, pulmonary infection, emphysema and pleural thickening was higher than that of FSR (P < 0.05 to P < 0.01).At the same time, the small shadow distribution of the same stage pneumoconiosis detected by DR combined with DES was larger than that by FSR.
      ConclusionsDR combined with DES has better image quality and detection rate, which can be applied to the examination and diagnosis of pneumoconiosis.

       

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