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石首市水电工培训学校,石首市水电工培训班,石首市水电工学校

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  • 2020-12-18 19:00
湖南阳光水电工培训学校常年面向石首市招生!
【温馨提示】湖南阳光水电工培训学校地址:湖南省长沙市雨花区车站南路红花坡路176号。目前没有在石首市地区设立分校。热忱欢迎石首市的学员来湖南阳光水电工培训学校长沙总校区参加学习!

石首市水电工培训学校,石首市水电工培训班,石首市水电工学校

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石首市水电工培训学校

石首市水电工培训学校

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石首市水电工培训学校,石首市水电工培训班,石首市水电工学校

石首市水电工培训学校,石首市水电工培训班,石首市水电工学校

石首市水电工培训班文章内容:

Objective To describe the high-resolution CT(HRCT)findings of arc-welders with early pneumoconiosis and to evaluate manifestation in different course of disease.Methods Seventy-six arc-welders with a one to thirty-eight(mean,14)years history of exposure underwent CT and HRCT scanning.The extent of abnormalities were detected.The relations of age and year history of exposure were analysed in different groups.Results Thirty-eight welders(38/76,50%)showed positive characteristic findings with conventional CT.Predominant thin-section CT findings were poorly-defined centrilobular micronodules(18/76,23.7%),branching linear structure(20/76,26.3%).The mean age in group of branching linear structure[(39±9)years old]was elder than of poorly-defined centrilobular micronodules[(34±7)years old].There was no statistical difference between the two groups(t=-1.648,P>0.05).The mean length of service at exposure in group of branching linear structure[(15±8)years]was longer than of poorlydefined centrilobular micronodules[(10±5)years].And the significant differences were showed between the two groups in the year history of exposure(t=-2.108,P<0.05).Conclusions Poorly defined centrilobular micronodules and branching linear structures were the thin-section CT findings most frequently seen in patients with arc-welders'pneumoconiosis and the former may be one early stage characteristic finding of arc-welders'pneumoconiosis.HRCT is useful in achieving more accurate categorization of the parenchymal changes in arc-welders'pneumoconiosis.

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石首市水电工培训学校

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石首市水电工培训学校

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石首市水电工培训学校,石首市水电工培训班

石首市水电工培训学校,石首市水电工培训班

石首市水电工培训学校,石首市水电工培训班

石首市水电工培训学校,石首市水电工培训班

石首市水电工培训学校,石首市水电工培训班

石首市水电工培训学校,石首市水电工培训班

石首市水电工培训学校,石首市水电工培训班

石首市水电工培训学校,石首市水电工培训班

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