一、矽肺的诊断和分期是保护职工安全健康,体现我国社会主义制度优越性的重要措施之一。多年来,我国矽肺的诊断和分期原则上是综合性而以临床 X 线为主要手段,这无疑是十分正确的。但在实践中,由于 X 线诊断本身在显露更为细致的的病变上存在一定的局限性,矽肺表现可多样而不典型,特别是在矽肺的早期或晚期,或伴有某些并发因素时,根据各地经验,总有一部分病例生前 X 线胸片未能诊断或难于确诊和分期,也有少数病人生前未作 X 线检查,或者胸片质量不足。在此种情况下,病人或家属往往 First, the diagnosis and staging of silicosis is one of the important measures to protect the safety and health of workers and the superiority of our socialist system. Over the years, the diagnosis and staging of silicosis in our country are in principle comprehensive and clinical X-ray is the main means, which is undoubtedly quite correct. However, in practice, due to the limitations of X-ray diagnosis in revealing more detailed lesions, the performance of silicosis may be diverse and atypical, especially in the early or late stages of silicosis, or with certain complications According to local experience, there are always some cases before the birth of X-ray failed to diagnose or difficult to diagnose and staging, but also a small number of patients before the X-ray examination, or the lack of quality chest. In this case, the patient or family often