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  Indian J Med Microbiol
 

Figure 1: The transaxial (18F) fluorodeoxyglucose brain positron emission tomography images (a) showed hypometabolism in bilateral frontal and temporal lobes and diffuse extracranial fluorodeoxyglucose uptake corresponding to temporal and masseter muscles bilaterally on the fused positron emission tomography/computed tomography (b) Coronal positron emission tomography (c) and maximum-intensity projection (d) confirmed extracranial uptake to be in temporal muscle, which fused with cortical uptake in the right frontal lobe (arrow, a and b) resulted in an unusual focal “hot spot” artifact in the right frontal lobe on the three-dimensional stereotactic surface projections projection image (arrowhead, e) and a round “defect” on the three-dimensional stereotactic surface projections Z-score map image (arrowhead, f)

Figure 1:  The transaxial (<sup>18</sup>F) fluorodeoxyglucose brain positron emission tomography images (a) showed hypometabolism in bilateral frontal and temporal lobes and diffuse extracranial fluorodeoxyglucose uptake corresponding to temporal and masseter muscles bilaterally on the fused positron emission tomography/computed tomography (b) Coronal positron emission tomography (c) and maximum-intensity projection (d) confirmed extracranial uptake to be in temporal muscle, which fused with cortical uptake in the right frontal lobe (arrow, a and b) resulted in an unusual focal “hot spot” artifact in the right frontal lobe on the three-dimensional stereotactic surface projections projection image (arrowhead, e) and a round “defect” on the three-dimensional stereotactic surface projections Z-score map image (arrowhead, f)