在矽肺诊断中,如矽尘接触史(工种、工令、环境中矽尘浓度游离SiO_2百分含量、矽尘分散度、个体防护情况等)已确切的情况下,投照条件和冲洗条件良好的后前位胸片的X线表现是确诊矽肺的主要依据。在诊断中,各项X线表现应以出现新生肺纹理改变的基础上可以见到肯定的结节阴影为主要 Silicosis diagnosis, such as the history of exposure to silica dust (work, work order, the concentration of free silicon dioxide silica concentration in the environment, the dispersion of silica dust, individual protection, etc.) have been exactly the case, the shooting conditions and irrigation conditions are good X-ray manifestations of posterior chest radiography is the main basis for the diagnosis of silicosis. In the diagnosis, the X-ray findings should be based on the appearance of new lung changes in the lungs can be seen on the basis of positive nodular shadows as the main