TABLE 2

18F-FDG PET Findings (Visual Interpretation) According to MRI Findings

MRI18F-FDG PET
FindingnFindingn
Normal (n = 14)Normal (n = 14)
 No abnormal hypometabolism6
 Lateralization only*3
 Correct localization†5
Any structural lesion (n = 15)Any structural lesion (n = 15)
 Localized lesion12 No abnormal hypometabolism3
 Correct localization†9
 Multifocal bifrontal lesions2 Correct localization†2
 Diffuse hemiatrophy1 Lateralization only*1

  • ↵* Hypometabolism in frontal lobe and other areas in ipsilateral hemisphere.

  • ↵† Hypometabolism confined to frontal area.