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多层螺旋CT螺距、层厚和重建间隔关系及对图像质量影响
引用本文:周泽俊,胡永胜,高斌,巢惠民.多层螺旋CT螺距、层厚和重建间隔关系及对图像质量影响[J].CT理论与应用研究,2008,17(1):21-26.
作者姓名:周泽俊  胡永胜  高斌  巢惠民
作者单位:合肥市第一人民医院CT室,合肥,230061
摘    要:多层螺旋CT问世大大提高了扫描速度,一次扫描能同时获得多个层面的图像,并且有足够的信息量进行图像后处理,但扫描参数的正确选择至关重要。本文就多层螺旋CT的扫描及重建参数螺距、层厚及重建间隔及对图像的质量影响进行阐述。

关 键 词:螺距  层厚  重建间隔
文章编号:1004-4140(2008)01-0021-06
修稿时间:2007年12月3日

Expounding the Pitch, Thickness, Reconstructing Space of Multislice CT and Influencing the Imaging Quality
ZHOU Ze-jun,HU Yong-seng,GAO Bin,CHAO Hui-ming.Expounding the Pitch, Thickness, Reconstructing Space of Multislice CT and Influencing the Imaging Quality[J].Computerized Tomography Theory and Applications,2008,17(1):21-26.
Authors:ZHOU Ze-jun  HU Yong-seng  GAO Bin  CHAO Hui-ming
Institution:ZHOU Ze-jun, HU Yong-seng, GAO Bin, CHAO Hui-ming (Department of CT, the First people's hospital of Hefei, Hefei 230061, China)
Abstract:With multislice CT appearing,the scanning speed was improved enormously.The images of multislice can be acquired simultaneously by once-through scanning,and sufficient informations were postprocessed.It was important that the scanning parameters were choosed rightly.The article expounds the pitch,thickness, reconstructing space of multislice CT,which influences the imaging quality.
Keywords:pitch  thickness  reconstructing space
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