众所周知,X线胸片上的影象是非特异性的,据报道,能够引起胸片上结节(小圆影)和网织(不规则小影)的病因可以有130多种,在矽肺的X线诊断标准中,结节和网织则起着决定作用。出于矽肺同时引起肺内淋巴系统、血管系统、气邀系统等明显变化,这些在X线影象上也会有所反映,它们与结节、网织配合,共同构成若胸片上矽肺病影象的全貌。既然如此,在矽肺的逐渐形成过程中,胸片上各种影 As we all know, the image on X-ray is nonspecific. According to reports, there are more than 130 kinds of etiology that can cause upper nodule (small round shadow) and reticular irregularity (small shadow) in X-ray diagnosis of silicosis Standard, nodules and reticulation play a decisive role. Out of the silicosis at the same time cause significant changes in the lung lymphatic system, vascular system, air-strung system, these also will be reflected in the X-ray images, and nodules, mesh with the common form of chest X-ray film The whole picture. In this case, in the progressive formation of silicosis, a variety of shadow on the chest