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CT Dose Optimization When Changing to CT Multi-Detector Row Technology

被引：16
|
作者：
Verdun, Francis R. [1 ,2 ]
Gutierrez, Daniel [1 ,2 ]
Schnyder, Pierre [2 ,3 ]
Aroua, Abbas [1 ,2 ]
Bochud, Francois [1 ,2 ]
Gudinchet, Francois [2 ,3 ]
机构：
[1] CHU Vaudois, Univ Inst Radiat Phys, Grand Pre 1, CH-1007 Lausanne, Switzerland
[2] Univ Lausanne, Lausanne, Switzerland
[3] CHU Vaudois, Dept Diagnost & Intervent Radiol, Lausanne, Switzerland
来源：
CURRENT PROBLEMS IN DIAGNOSTIC RADIOLOGY | 2007年 / 36卷 / 04期
基金：
瑞士国家科学基金会;
关键词：
D O I：
10.1067/j.cpradiol.2007.04.001
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
The purpose of this article was to review the strategies to control patient dose in adult and pediatric computed tomography (CT), taking into account the change of technology from single-detector row CT to multi-detector row CT. First the relationships between computed tomography dose index, dose length product, and effective dose in adult and pediatric CT are revised, along with the diagnostic reference level concept. Then the effect of image noise as a function of volume computed tomography dose index, reconstructed slice thickness, and the size of the patient are described. Finally, the potential of tube current modulation CT is discussed.
引用
收藏
页码：176 / 184
页数：9
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