在作者所治疗的尘肺病人的临床病理学研究中发现,约有6％的病人因闭塞性支气管炎而出现了肺不张。在这些病例中,肺不张大多发生在右肺,而约有一半的病人在肺中叶发现肺不张病灶。在各种类型的尘肺中,如矽肺、煤工尘肺和石棉肺,都可以发现肺不张的病变。肺不张不仅在严重的尘肺病例中可以发现,而且在轻度的尘肺病例中也有发现。吸烟习慣不是闭塞性支气管炎的主要原因,因为约有一半的肺不张病例是不吸烟者。某些病例显 In a study of the clinicopathology of pneumoconiosis patients treated by the authors, about 6% of patients developed atelectasis due to obliterative bronchiolitis. In these cases, most of the atelectasis occurred in the right lung, while about half of the patients found atelectasis in the middle of the lung. In various types of pneumoconiosis, such as silicosis, coal workers pneumoconiosis and asbestosis, lung atelectasis can be found. Atelectasis is not only found in severe cases of pneumoconiosis, but also in cases of mild pneumoconiosis. Smoking habits are not the main cause of obliterative bronchitis, as about half of cases of atelectasis are non-smokers. Some cases were significant