Scheltens, NME;
van der Weijden, K;
Adriaanse, SM;
van Assema, D;
Oomen, PP;
Krudop, WA;
Lammertsma, AA;
... van Berckel, BNM; + view all
(2018)
Hypometabolism of the posterior cingulate cortex is not restricted to Alzheimer's disease.
NeuroImage: Clinical
, 19
pp. 625-632.
10.1016/j.nicl.2018.05.024.
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Abstract
When differential diagnosis of dementia includes both Alzheimer's disease (AD) and the behavioural variant of frontotemporal dementia (bvFTD), distribution of cerebral glucose metabolism as measured using [ 18 F]‑2‑fluoro‑2‑deoxy‑D‑glucose positron emission tomography ([ 18 F]FDG-PET) may be helpful. One important clue for differentiation is the presence of hypometabolism in the posterior cingulate cortex (PCC), usually associated with AD. PCC hypometabolism however, could also be present in bvFTD. Therefore, the specificity of PCC hypometabolism was examined. Based on visual reading PCC hypometabolism was present in 69–73/81 probable AD patients, in 10–16/33 probable bvFTD patients, and in 0–1/22 cognitive normal (CN) subjects. Findings were validated using a PCC to reference tissue [ 18 F]FDG standard uptake value ratio (SUVr) cut-off, which was derived from the receiver operating characteristic (ROC) separating probable AD from CN, resulting in 9–14/33 bvFTD patients having PCC hypometabolism, depending on the reference tissue used. In conclusion, PCC hypometabolism is not restricted to AD.
| Type: | Article |
|---|---|
| Title: | Hypometabolism of the posterior cingulate cortex is not restricted to Alzheimer's disease |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1016/j.nicl.2018.05.024 |
| Publisher version: | https://doi.org/10.1016/j.nicl.2018.05.024 |
| Language: | English |
| Additional information: | This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ |
| Keywords: | Alzheimer's disease, Frontotemporal dementia, Posterior cingulate cortex, [18F]FDG-PET, Hypometabolism |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology > Brain Repair and Rehabilitation |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10050969 |
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