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18F-FDG PET Hemispheric Cerebral Hypometabolic Activity: Patient Motion Artifact

Carlos A. Garcia, Giuseppe Esposito, Elmo R. Acio and Douglas Van Nostrand

Department of Nuclear Medicine, Washington Hospital Center, Washington, District of Columbia


Figure 1
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  		FIGURE 1.  Coronal, transaxial, sagittal, and maximum-intensity-projection 3-dimensional 18F-FDG PET attenuation correction images demonstrating unilateral hemispheric cerebral hypometabolic activity. Decreased activity also was seen in the ipsilateral scalp.

 

Figure 2
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  		FIGURE 2.  Coronal and transaxial 18F-FDG PET non–attenuation correction images demonstrating patient lateral head motion at sequential stages.

 

Figure 3
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  		FIGURE 3.  Coronal, transaxial, and sagittal attenuation correction images from repeat scan demonstrating normal cerebral cortical activity.

 




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