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T颗粒技术在胸部高千伏摄影中的应用 被引量:1

APPLICATION OF T GRAIN TECHNIQUE IN HIGH KV CHEST RADIDGRAPHS
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摘要 目的:提高X线照片影像质量及诊断的正确率。方法:感蓝片与感绿片的胸部高千伏正位100例经对标准测试点影像密度值的测定,对照结构的显示,对曝光条件进行优选与比较。结果:纵隔、心后、横隔下纹理显示率绿片较蓝片高29%。结论:T颗粒技术应用高千伏摄影获得高感度、高清晰度的影像质量。 objective:To improve th image quality of X ray film and accuracy of diagnosis Methods:High kv chest radiographs of T grain green sensitive film and blue sensitive film in 100 cases were compared by deter mining the density at standard test points and watching the structure in the lungs Results:visibility of pulmonary vessels hidden in the shadows of mediastinum heart and diaphraym in the former was higher than those in latter for 29% Conclusion:T grain technic can gain high senitivity and high resolution image This films provid additional diagnostic informations
出处 《天津医科大学学报》 1998年第3期252-254,共3页 Journal of Tianjin Medical University
关键词 T颗粒技术 胸片 高千伏摄影 X线 T grain Green sensitive film High KV
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