Optimizing full-field digital mammography techniques: The influence of target-filter and peak voltage settings on lesion detection and average glandular dose

被引：0
|
作者：
Hermann, KP [1 ]
Obenauer, S [1 ]
Funke, M [1 ]
Grabbe, E [1 ]
机构：
[1] Gottingen Univ Hosp, Dept Diagnost Radiol, D-37075 Gottingen, Germany
来源：
DIGITAL MAMMOGRAPHY, PROCEEDINGS | 2003年
关键词：
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The goal of this study was to assess the influence of the target-filter combination and the tube voltage on lesion detection and average glandular dose (AGD) in digital mammography using a flat-panel X-ray detector based on amorphous silicon technology. For the assessment of image quality images of the ACR mammographic accreditation phantom were obtained. Increasing peak voltage by 2 kVp decreases breast dose by 7% for the same target-filter combination. Changing the target-filter combination from Mo-Mo to Mo-Rh decreases AGD by approximately 10% and changing from Mo-Mo to Rh-Rh decreases the AGD by approximately 30% at the same peak voltage values. In the peak voltage range between 25 and 35 kVp there was no difference in lesion detectability for different tube voltages at the same detector dose between Mo-Mo and Mo-Rh.
引用
收藏
页码：108 / 110
页数：3
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