"Occipital Pole" Sign on 18 F-FDG PET for Dementia With Lewy Bodies and Posterior Cortical Atrophy : Evidence From the Treviso Dementia (TREDEM) Registry
Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved..
ABSTRACT: The 18 F-FDG PET images of dementia with Lewy bodies and posterior cortical atrophy, a visual-cognitive phenotype described in patients with Alzheimer disease, show occipital lobe hypometabolism with relative sparing of the primary visual cortex (PVC) generating the "occipital tunnel" sign proposed by Sawyer and Kuo in 2017, which is viewable on the medial sagittal projection. We believe that the saving of PVC compared with the lateral occipital cortex can be better appreciated by capturing the posterior projection of the PVC in a 3D stereotactic surface projection map, and we propose the name of "occipital pole" sign for this evidence.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:47 |
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| Enthalten in: |
Clinical nuclear medicine - 47(2022), 9 vom: 01. Sept., Seite 811-812 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Gallucci, Maurizio [VerfasserIn] |
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| Anmerkungen: |
Date Completed 27.12.2022 Date Revised 25.09.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1097/RLU.0000000000004136 |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM340028947 |
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| 520 | |a Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved. | ||
| 520 | |a ABSTRACT: The 18 F-FDG PET images of dementia with Lewy bodies and posterior cortical atrophy, a visual-cognitive phenotype described in patients with Alzheimer disease, show occipital lobe hypometabolism with relative sparing of the primary visual cortex (PVC) generating the "occipital tunnel" sign proposed by Sawyer and Kuo in 2017, which is viewable on the medial sagittal projection. We believe that the saving of PVC compared with the lateral occipital cortex can be better appreciated by capturing the posterior projection of the PVC in a 3D stereotactic surface projection map, and we propose the name of "occipital pole" sign for this evidence | ||
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