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Abnormal 18F-FDG and 82Rb PET Findings in Chagas Heart Disease.

  • Author(s): Salimy, Medhi S
  • Parwani, Purvi J
  • Mukai, Kanae
  • Pampaloni, Miguel Hernandez
  • Flavell, Robert R
  • et al.
Abstract

Uptake of the radiopharmaceutical F-FDG visualized by PET imaging can reflect abnormal myocardial inflammation. When utilized in conjunction with other imaging modalities, such as echocardiography, PET F-FDG imaging can help distinguish between active cardiac sarcoidosis and other etiologies of nonischemic cardiomyopathy. We present a case of a 46-year-old man with nonischemic cardiomyopathy and ventricular tachycardia who underwent an echocardiogram suggestive of cardiac Chagas disease. A subsequent F-FDG PET demonstrated abnormal hypermetabolism. The diagnosis was confirmed by positive serologic examination results.

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