婴幼儿胸部x线数字化高电压摄影技术的研究

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1、授予单位代码10089学号或中请号13147K^^44A5HebeiMedicalUniversity硕士学位论文在职科学学位婴幼儿胸部X线数字化高电压摄影技术的研究学位申请人：秦好朴导师：孙吉林教授专业：影像医学与核医学二级学院：河北省人民医院2015年3月河北医科大学学位论文使用授权及知识产权归属承诺本学位论文在导师（或指导小组）的指导下，由本人独立完成。本学位论文研究所获得的研究成果，其知识产权归河北医科大学所有。河北医科大学有权对本学位论文进行交流、公开和使用。凡发表与学位论文主要内容相

2、关的论文，第一署名为单位河北医科大学，试验材料、原始数据、申报的专利等知识产权均归河北医科大学所有。否则，承担相应法律责任。河北医科大学研究生学位论文独创性声明本论文是在导师指导下进行的研究工作及取得的研究成果，除了文中特别加以标注和致谢等内容外，文中不包含其他人己经发表或撰写的研究成果，指导教师对此进行了审定。本论文由本人独立撰写，文责自负。研究生签名导师签章：目录中文摘要·····························································

3、················1英文摘要·············································································3研究论文婴幼儿胸部X线数字化高电压摄影技术的研究前言·············································································6材料与方法··········································

4、··························6结果·············································································7附图·············································································8附表·····························································

5、················11讨论·············································································15结论·············································································21参考文献··································································

6、·····21综述婴幼儿胸部DR摄影低剂量投照的研究进展························24致谢···················································································33个人简历·············································································34中文摘要婴幼儿胸部X线数字化高电压摄影技术的研究摘要

7、目的：婴幼儿的胸部X线检查具有其不可替代性的优势，因为它具有辐射剂量低和操作方便的优点。另外儿童生理发育的特殊性，其细胞处于分裂期的概率要明显高于成年人，而分裂期细胞接受X线辐射导致变异的概率要远远高于非分裂期细胞，儿童对X线的敏感性是成年人的10倍。另外因为儿童人体组织结构的特异性，其人体组织对X线的吸收要高于成年人，大概每毫安秒辐射剂量比成年人高1.6～1.7倍。加之婴幼儿的平均生存时间要远远高于成年人，婴幼儿时期如果不注意进行辐射剂量的控制，其生存期内接受的X线辐射会远远高于成年人。因此研

8、究婴幼儿摄影的低计量投照非常必要。本实验的目的在于研究婴幼儿DR胸部高电压摄影在满足诊断需要的前提下，其产生最小辐射剂量的投照条件。方法：机器为日本岛津产RADSPEEDM（X线机的一种型号）高频数字摄影X线机、新医科技（上海）有限公司的SATURN8000（“土星”8000）系列影像工作站连接SONY公司HighResolutionUP-DF750（UP-DF750型高分辨率）干式激光打印机。体模采用上海滋源贸易公司经销的美国福禄克体模，产品型号为76-414-4150。辐射剂量检测仪为深圳施