Cortical Thinning in Subcortical Vascular Dementia with Negative C-11-PiB PET
- Authors
- Kim, Chi Hun; Seo, Sang Won; Kim, Geon Ha; Shin, Ji Soo; Cho, Hanna; Noh, Young; Kim, Suk-Hui; Kim, Min Ji; Jeon, Seun; Yoon, Uicheul; Lee, Jong-Min; Oh, Seung Jun; Kim, Jae Seung; Kim, Sung Tae; Lee, Jae-Hong; Na, Duk L.
- Issue Date
- Jul-2012
- Publisher
- IOS Press
- Keywords
- Alzheimer' s disease; cortical thickness; Pittsburgh compound B; subcortical vascular dementia
- Citation
- Journal of Alzheimer's Disease, v.31, no.2, pp.315 - 323
- Indexed
- SCIE
SCOPUS
- Journal Title
- Journal of Alzheimer's Disease
- Volume
- 31
- Number
- 2
- Start Page
- 315
- End Page
- 323
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/165126
- DOI
- 10.3233/JAD-2012-111832
- ISSN
- 1387-2877
- Abstract
- To determine the existence of cortical thinning in subcortical vascular dementia (SVaD) with a negative C-11-Pittsburgh compound B (PiB) positron emission tomography scan and to compare the topography of cortical thinning between PiB-negative SVaD and Alzheimer's disease (AD), we enrolled 24 patients with PiB(-) SVaD, 81 clinically probable AD individuals, and 72 normal cognitive controls. Compared with controls, cortical thinning in PiB(-) SVaD was most profound in the perisylvian area, medial prefrontal area, and posterior cingulate gyri, while the precuneus and medial temporal lobes were relatively spared. When the cortical thickness of AD and PiB(-) SVaD were directly compared, PiB(-) SVaD demonstrated significant cortical thinning in the bilateral inferior frontal, superior temporal gyri, and right medial frontal and orbitofrontal lobes, while AD showed significant cortical thinning in the right medial temporal region. SVaD without amyloid burden may lead to substantial cortical atrophy. Moreover, characteristic topography of cortical thinning in PiB(-) SVaD suggests different mechanisms of cortical thinning in PiB(-) SVaD and AD.
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