Research ArticleIMAGING

Assessment of Clinical Impact in the Application of Chang Attenuation Correction to Lung Ventilation/Perfusion SPECT

Sina Izadyar, Sassan Saber and Ali Gholamrezanezhad
Journal of Nuclear Medicine Technology December 2011, 39 (4) 290-294; DOI: https://doi.org/10.2967/jnmt.110.086470

Article Figures & Data

Figures

  • FIGURE 1.
    FIGURE 1.

    Lung perfusion SPECT planes before (top rows) and after (bottom rows) attenuation correction using Chang method. In this patient, quality and sharpness of images improved significantly. High-probability interpretation changed to intermediate probability.

  • FIGURE 2.
    FIGURE 2.

    Lung perfusion SPECT planes before (top rows) and after (bottom rows) attenuation correction using Chang method. In this patient, quality and sharpness of images did not change appreciably.

Tables

  • TABLE 1

    Final Interpretation of Ventilation/Perfusion Lung SPECT Studies Before and After Application of Chang Attenuation Correction

    InterpretationNoncorrected readingsAttenuation-corrected readings
    Normal1612
    Low or intermediate probability of PE2224
    High probability of PE79
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