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Excretory urography using computed radiography.

L L Fajardo, B J Hillman, T B Hunter

    Radiology
    |February 1, 1987
    PubMed
    Summary
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    Digital radiography systems match conventional screen-film urograms for excretory urography diagnostic accuracy. This evaluation found no significant differences in sensitivity, specificity, or diagnostic performance between the two imaging techniques.

    Area of Science:

    • Radiology
    • Medical Imaging
    • Diagnostic Imaging

    Background:

    • Computed radiography (CR) systems offer digital image generation.
    • Excretory urography is a standard diagnostic procedure.
    • Evaluating new imaging technologies is crucial for clinical practice.

    Purpose of the Study:

    • To assess the clinical utility of a computed radiographic system for excretory urography.
    • To compare the diagnostic performance of digital urograms with conventional screen-film urograms.

    Main Methods:

    • A prospective study involving 100 patients.
    • Three experienced radiologists reviewed both digital and conventional screen-film urograms.
    • Evaluation of diagnostic sensitivity, specificity, and reader performance.

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    Main Results:

    • No statistically significant difference in diagnostic sensitivity between digital and screen-film urograms.
    • No statistically significant difference in diagnostic specificity between digital and screen-film urograms.
    • Equivalent reader performance in making specific diagnoses for both imaging techniques.

    Conclusions:

    • Computed radiography systems provide comparable diagnostic efficacy to conventional screen-film systems for excretory urography.
    • Digital imaging technology is a viable alternative for excretory urography.
    • The clinical utility of digital excretory urography is confirmed.