COMPARISON OF WIRELESS DETECTORS FOR DIGITAL RADIOGRAPHY SYSTEMS: IMAGE QUALITY AND DOSE

被引：3
|
作者：
Mourik, J. E. M. [1 ,2 ]
van der Tol, P. [2 ]
Veldkamp, W. J. H. [2 ]
Geleijns, J. [2 ]
机构：
[1] Sint Franciscus Vlietland Grp, Dept Radiol & Nucl Med, Kleiweg 500, NL-3045 PM Rotterdam, Netherlands
[2] Leiden Univ, Med Ctr, Dept Radiol, Albinusdreef 2, NL-2333 ZA Leiden, Netherlands
来源：
RADIATION PROTECTION DOSIMETRY | 2016年 / 169卷 / 1-4期
关键词：
D O I：
10.1093/rpd/ncv450
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The purpose of this study was to compare dose and image quality of wireless detectors for digital chest radiography. Entrance dose at both the detector (EDD) and phantom (EPD) and image quality were measured for wireless detectors of seven different vendors. Both the local clinical protocols and a reference protocol were evaluated. In addition, effective dose was calculated. Main differences in clinical protocols involved tube voltage, tube current, the use of a small or large focus and the use of additional filtration. For the clinical protocols, large differences in EDD (1.4-11.8 mu Gy), EPD (13.9-80.2 mu Gy) and image quality (IQF(inv): 1.4-4.1) were observed. Effective dose was <0.04 mSv for all protocols. Large differences in performance were observed between the seven different systems. Although effective dose is low, further improvement of imaging technology and acquisition protocols is warranted for optimisation of digital chest radiography.
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页码：303 / 307
页数：5
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