Abstract
Purpose
To investigate regional cerebral amyloid beta retention in cognitively normal Korean adults using F-18 florbetaben (FBB).
Methods
We prospectively analyzed F-18 FBB positron emission tomography (PET)/CT scans of 30 cognitively healthy adults (age range, 50–70 years) using automated quantification. The standardized uptake value ratios (SUVRs) of F-18 FBB were calculated for predefined regions by normalizing the regional count with cerebellar cortex.
Results
The distribution of amyloid beta for each brain region revealed no age-related trends (p > 0.05). From all subjects, mean SUVR of amyloid deposit was 1.30 ± 0.18. The right parietal lobe showed the highest SUVR value (1.46 ± 0.23), whereas the right frontal lobe and left precuneus showed the lowest SUVR (1.23 ± 0.25).
Conclusions
We provide reference values of normative data obtained from healthy elderly Koreans and suggest its use for accurate diagnosis of patients with Alzheimer’s disease.
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Acknowledgments
The authors are grateful to Dr. Yoon for the assistance with data arrangement and Prof. Yumi Kim for the comments on the statistical analysis.
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Jieun Jeong, Yong Jin Jeong, Kyung Won Park, and Do-Young Kang declare that they have no conflict of interest. This research was supported by the project at Institute of Convergence Bio-Health, DongA University, funded by Busan Institute of S&T Evaluation and Planning.
Ethical Statement
This study was performed in accordance with the ethical standards laid down in the Helsinki Declaration of 1964 and its later revisions.
Informed Consent
Informed consent was obtained from all individual participants included in this prospective study.
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Jeong, J., Jeong, Y.J., Park, K.W. et al. Cerebral Amyloid Quantification in Cognitively Normal Korean Adults Using F-18 Florbetaben PET. Nucl Med Mol Imaging 53, 334–339 (2019). https://doi.org/10.1007/s13139-019-00609-7
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DOI: https://doi.org/10.1007/s13139-019-00609-7