Specifically, in one study with 33 subjects [11 mild cognitive impairment (MCI), 22 dementia (11 AD)] comparing 18 F-florbetaben amyloid scans with 18 F-FDG scans, researchers reported highly significant correlations (ranging from 0.60 to 0.92), irrespective of the early-frame number or the brain region (Daerr et al. 2017 ).
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Regional uptakes from early-frame amyloid PET and <sup>18</sup>F-FDG PET scans are comparable independent of disease state.
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