Positron emission tomographic studies of aging and Alzheimer disease - PubMed (original) (raw)
. 1983 May-Jun;4(3):568-71.
S H Ferris, A E George, D R Christman, J S Fowler, C Gentes, B Reisberg, B Gee, M Emmerich, Y Yonekura, J Brodie, I I Kricheff, A P Wolf
- PMID: 6410799
- PMCID: PMC8334899
Positron emission tomographic studies of aging and Alzheimer disease
M J de Leon et al. AJNR Am J Neuroradiol. 1983 May-Jun.
Abstract
In this study the positron emission tomographic (PET)-18F-2-deoxy-2-fluoro-D-glucose (FDG) technique was used to study both normal aging and senile dementia. The results derived from 15 young normal subjects (mean age, 26 +/- 5 years) and 22 elderly normal subjects (mean age, 66 +/- 7 years) failed to indicate significant metabolic changes associated with age. A group of 24 patients with senile dementia (mean age, 73 +/- 7 years) showed consistent diminutions in regional glucose use relative to the elderly normals. Across all brain regions the diminutions were 17%-24%. There were also significant correlations between the measures of glucose use and the measures of cognitive functioning. Discriminant function classification analysis results indicate that better than 80% classification accuracy can be achieved for individual PET measures. These data suggest a possible future diagnostic use of PET in senile dementia.
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