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目的：探究百草枯中毒的Ｘ线胸片征象。方法：对１２例百草枯中毒病人进行Ｘ线胸片检查，后分析胸片征象。结果：１２例病例均出现肺纹增多，肺实变影，早期肺纤维化，部分病例出现小囊征，在百草枯中毒剂量超过２５ｍｌ的病例中可出现气胸、胸腔积液纵隔气肿及皮下气肿征象。结论：胸部平片检查对于百草枯中毒的诊断治疗结果、预后的判断及随访有十分重要的意义，肺损害的严重程度可能与中毒剂量相关。
Objective: To investigate the signs of paraquat poisoning on X-ray. Methods: Twelve patients with paraquat poisoning were examined by X - ray and chest X - ray examination. Results: All the 12 cases showed pulmonary markings, lung consolidation and early pulmonary fibrosis. Some cases showed cystic signs. In cases of paraquat poisoning more than 25ml, pneumothorax, pleural effusion, mediastinal emphysema and subcutaneous Emphysema sign. Conclusion: Chest radiograph examination is very important for diagnosis and treatment of paraquat poisoning, judgment of prognosis and follow-up. The severity of lung damage may be related to poisoning dose.