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    Optimization of chest radiographic imaging parameters: a comparison of image quality and entrance skin dose for digital chest radiography systems

    189874_189874.pdf (557.1Kb)
    Access Status
    Open access
    Authors
    Sun, Zhonghua
    Lin, C.
    Tyan, Y.
    Ng, K.
    Date
    2012
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Sun, Zhonghua and Lin, Chenghsun and Tyan, Yeusheng and Ng, Kwan-Hoong. 2012. Optimization of chest radiographic imaging parameters: a comparison of image quality and entrance skin dose for digital chest radiography systems. Clinical Imaging. 36: pp. 279-286.
    Source Title
    Clinical Imaging
    DOI
    10.1016/j.clinimag.2011.09.006
    ISSN
    0899-7071
    URI
    http://hdl.handle.net/20.500.11937/35920
    Collection
    • Curtin Research Publications
    Abstract

    We studied the performance of three computed radiography and three direct radiography systems with regard to the image noise and entrance skin dose based on a chest phantom. Images were obtained with kVp of 100, 110, and 120 and mA settings of 1, 2, 4, 8, and 10. Significant differences of image noise were found in these digital chest radiography systems (Pb<0001). Standard deviation was significantly different when the mAs were changed (Pb<001), but it was independent of the kVp values (P=.08–.85). Up to 44% of radiation dose could be saved when kVp was reduced from 120 to 100 kVp without compromising image quality.

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