Date of download: 9/18/2016 Copyright © 2016 American Medical Association. All rights reserved. From: In Vivo Fibrillar β-Amyloid Detected Using [11C]PiB.

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Date of download: 9/18/2016 Copyright © 2016 American Medical Association. All rights reserved. From: In Vivo Fibrillar β-Amyloid Detected Using [11C]PiB Positron Emission Tomography and Neuropathologic Assessment in Older Adults Arch Neurol. 2011;68(2): doi: /archneurol Longitudinal in vivo carbon 11–labeled Pittsburgh Compound B ([ 11 C]PiB) imaging in an older adult with cognitive decline. A, Informant Clinical Dementia Rating (CDR) scores before and during in vivo β-amyloid imaging. The shaded area shows CDR data at the time of the [ 11 C]PiB studies shown in part B. B, Surface projections and parasagittal [ 11 C]PiB images during the participant's cognitive decline. Consensus diagnoses and mean cortical distribution volume ratios (cDVRs) are noted below the images. Neuropathologic findings for this individual are shown in Figure 4F. CDR-SB indicates CDR Sum of Boxes. Figure Legend:

Date of download: 9/18/2016 Copyright © 2016 American Medical Association. All rights reserved. From: In Vivo Fibrillar β-Amyloid Detected Using [11C]PiB Positron Emission Tomography and Neuropathologic Assessment in Older Adults Arch Neurol. 2011;68(2): doi: /archneurol In vivo β-amyloid load in older adults. Voxelwise in vivo carbon 11–labeled Pittsburgh Compound B (PiB) distribution volume ratios (DVR) overlaid on cortical surface and parasagittal sections allowing comparison with neuropathologic Consortium to Establish a Registry for AD assessment. Participants are marked A to F to correspond to the data in the tables, text, and other figures. Figure Legend:

Date of download: 9/18/2016 Copyright © 2016 American Medical Association. All rights reserved. From: In Vivo Fibrillar β-Amyloid Detected Using [11C]PiB Positron Emission Tomography and Neuropathologic Assessment in Older Adults Arch Neurol. 2011;68(2): doi: /archneurol In vivo carbon 11–labeled Pittsburgh Compound B imaging and Consortium to Establish a Registry for AD (CERAD) assessment of neuritic plaques (NPs). Participant E, with fibrillar β-amyloid (Aβ) primarily in diffuse plaques, is identified by circles. Participant A has a low distribution volume ratio (DVR) and no NPs. Three participants with moderate NPs have a DVR greater than 1.2 in at least 1 of the CERAD regions. Participants are marked A to F to correspond to the data in the tables, text, and other figures. Figure Legend:

Date of download: 9/18/2016 Copyright © 2016 American Medical Association. All rights reserved. From: In Vivo Fibrillar β-Amyloid Detected Using [11C]PiB Positron Emission Tomography and Neuropathologic Assessment in Older Adults Arch Neurol. 2011;68(2): doi: /archneurol Consortium to Establish a Registry for AD (CERAD) assessment of neuritic plaques (NPs) in older adults with antemortem in vivo carbon 11–labeled Pittsburgh Compound B imaging. The CERAD plaque rating (N indicates no NPs; S, sparse NPs; and M, moderate NPs) in the middle frontal gyrus (MFG), inferior parietal lobule (IP), and superior and middle temporal gyri (SMTG) of Hirano-stained tissue sections is noted on cortical surface projection (original magnification ×100). The presence or absence of cerebral amyloid angiopathy (CAA) is noted (original magnification ×200). In participant F, CAA is also found in the visual cortex (VIS). Participants are marked A to F to correspond to the data in the tables, text, and other figures. CING indicates cingulate gyrus; MTG, middle temporal gyrus. Figure Legend:

Date of download: 9/18/2016 Copyright © 2016 American Medical Association. All rights reserved. From: In Vivo Fibrillar β-Amyloid Detected Using [11C]PiB Positron Emission Tomography and Neuropathologic Assessment in Older Adults Arch Neurol. 2011;68(2): doi: /archneurol Potential factors limiting agreement between in vivo β-amyloid imaging and diagnostic neuropathologic assessment, illustrated for participant E. A, β-Amyloid (Aβ) load in the neuritic plaque (black arrow) in the superior and middle temporal gyri (SMTG) (Hirano, original magnification ×100). B, Fibrillar Aβ in diffuse plaques (white arrow) and blood vessel wall (arrowhead) in the SMTG (thioflavin S, original magnification ×100). C, The Aβ load by immunohistochemical analysis in the SMTG (6E10 antibody, original magnification ×100). D, Sagittal parametric carbon 11–labeled Pittsburgh Compound B image overlaid on a magnetic resonance image shows a high Aβ load in the precuneus. E, Fibrillar Aβ load in diffuse plaques (white arrow) in the precuneus (PRC) not routinely evaluated by Consortium to Establish a Registry for AD assessment (thioflavin S, original magnification ×100). F, Cerebral amyloid angiopathy in the occipital gyrus (OCG) (hematoxylin-eosin, original magnification ×100) (inset: original magnification ×200). Figure Legend:

Date of download: 9/18/2016 Copyright © 2016 American Medical Association. All rights reserved. From: In Vivo Fibrillar β-Amyloid Detected Using [11C]PiB Positron Emission Tomography and Neuropathologic Assessment in Older Adults Arch Neurol. 2011;68(2): doi: /archneurol In vivo carbon 11–labeled Pittsburgh Compound B and β-amyloid (Aβ) levels by immunohistochemical analysis in the precuneus. Aβ reflects percentage area in which Aβ is detected by 6E10 antibody. A detectable level of Aβ is observed at a distribution volume ratio (DVR) greater than 1.2. Participants are marked A to F to correspond to the data in the tables, text, and other figures. Figure Legend: