PMC8343486_01
Increased diffuse heterogeneous increased fluoro-deoxyglucose uptake involving the left ventricular myocardium which was consistent with moderate acute myocarditis. No metabolically active mediastinal or hilar nodes, or pulmonary nodules noted.
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The max SUV at basal septal wall was 8.8 and apex was 10.24 (Figure 1).
Continued heterogeneous uptake throughout the left ventricular myocardium suggestive of myocarditis.
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The max SUV in the left basal lateral ventricular myocardium improved from 12.83 to 7.20 (Figure 2).
Near complete resolution of increased uptake in the left ventricular myocardium reflective of favorable response to therapy.
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She had repeat cardiac PET imaging, which showed near complete resolution of the myocarditis (Figure 3).