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《Occupation and Health》 2012-04
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Morphological features analysis of high kV chest radiographs of pneumoconiosis

ZHANG Jian-zhong,CHEN Fa-ming,ZHOU Feng Science and Education Department,Changsha Center for Disease Control and Prevention,Hunan,410001,China  
[Objective]To study the morphology features of high kV(HKV) chest radiographs,and provide evidence for the amendments of pneumoconiosis diagnostic criteria.Using retrospective survey methods,the chest X-ray morphological characteristics of the 3689 cases of pneumoconiosis were analyzed according to the latest standards of pneumoconiosis diagnosis,the database was established and statistical analysis done with SPSS 17.0 software.[Results]It was indicated from the X-ray analysis on 3 689 cases of pneumoconiosis that small round opacities showed 508 cases of type p(13.8%),1 501 cases of type q(40.7%) and 279 cases of type r(7.6%),a small irregular opacities showed 246 cases of type s(6.7%) and 1 414 cases of type t(38.3%),and 280 cases of large opacities(7.6%) and 196 cases of confluence of small opacities(5.3%).Small opacities located mainly in the mid and lower zones of both lungs,these pneumoconiosis accompanied with a variety of abnormal X-ray signs in markings(60.3%),hilus of lung(35.5%),pleura(11.4%),emphysema(16.7%).[Conclusion]Big opacities,shape and distribution of small opacities and density to determine in HKV chest radiograph are essential in diagnosis and classification of pneumoconiosis.It is found in the study that the x-ray imaging features,pleural,hilus,markings,emphysema,tuberculosis and others is closely related to pneumoconiosis diagnosis and has important reference value.
【CateGory Index】: R135.2
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