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矽肺类圆形阴影钙化比较少见,我公司412例矽肺患者中仅发现6例(1.46％)。钙化是在矽肺类圆形阴影基础上出现的,密度逐年增高并高于肋骨之密度。6例中全部合并肺门环形钙化,5例同时伴有肺实质的壳变钙化。经鉴别诊断可除外肺胞微石症,霉菌肺部感染钙化与肺结核钙化等疾病。患者病程似有延缓,健康情况较好,如能设法使阴影钙化而改善预后,不失为一项重要的防治措施。
Silicosis round shadow calcification is relatively rare, my company 412 cases of silicosis found only 6 cases (1.46%). Calcification occurs on the basis of a circular shadow of silicosis, with the density increasing year by year and higher than the density of the ribs. All of the 6 cases were complicated with hilar calcification, while 5 cases were accompanied by the shell calcification of lung parenchyma. After the differential diagnosis of lung cancer can be alopecia, mold lung infection calcification and pulmonary tuberculosis and other diseases. Patients may have a delayed course of disease, good health, if you can try to make the shadow calcification and improve prognosis, after all, is an important control measures.