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The Evaluation of Lupus Myocarditis with 13N-Ammonia and 18F-FDG PET

Jorge Alchammas, Zaid Al-Faham, Yezzin Roumayah and Oliver C.Y. Wong
Journal of Nuclear Medicine Technology September 2016, 44 (3) 210-211; DOI: https://doi.org/10.2967/jnmt.115.165639

Article Figures & Data

Figures

  • FIGURE 1.
    FIGURE 1.

    Rest 13N-ammonia perfusion images demonstrating defects in basal inferior region and basal inferior lateral region, with corresponding increase in 18F-FDG uptake.

  • FIGURE 2.
    FIGURE 2.

    Stress and rest 13N-ammonia perfusion images demonstrating decreased uptake in basal inferior lateral region, with corresponding increase in 18F-FDG uptake. Both stress and rest images also show severe hypoperfusion extending from mid inferior lateral region to mid inferior region. Lack of correspondingly enhanced 18F-FDG uptake suggests that the finding represents fibrosis or scar formation. HLA = horizontal long axis; SA = short axis; VLA = vertical long axis.

  • FIGURE 3.
    FIGURE 3.

    (A) Rest 13N-ammonia polar plot image before treatment. (B) Rest and stress 13N-ammonia polar plot images after treatment. (C) 18F-FDG polar plot image after treatment.

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