Amyloid imaging in Alzheimer's disease: comparison of florbetapir and Pittsburgh compound-B positron emission tomography.
Amyloid imaging in Alzheimer's disease: comparison of florbetapir and Pittsburgh compound-B positron emission tomography.
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DOI:
10.1136/jnnp-2012-302548
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发表时间:
2012-09
期刊:
影响因子:
--
通讯作者:
Arnold SE
中科院分区:
文献类型:
--
作者:
Wolk DA;Zhang Z;Boudhar S;Clark CM;Pontecorvo MJ;Arnold SE
Amyloid imaging provides in vivo detection of the fibrillar amyloid-β (Aβ) plaques of Alzheimer's Disease (AD). The PET ligand Pittsburgh Compound-B (PiB-C11) is the most well studied amyloid imaging agent, but the short half-life of carbon-11 limits its clinical viability. Florbetapir-F18 recently demonstrated in vivo correlation with post-mortem Aβ histopathology, but has not been directly compared with PiB-C11. Fourteen cognitively normal adults and 12 AD patients underwent PiB-C11 and florbetapir-F18 PET scans within a 28 day period. Both ligands displayed highly significant group discrimination and correlation of regional uptake, supporting the hypothesis that florbetapir-F18 provides comparable information with PiB-C11.
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