Results: 2

1.
Figure 1

Figure 1. From: Intracranial atherosclerosis as a contributing factor to Alzheimer's disease dementia.

Representative cross-sections of the circle of Willis arteries. The top panel (A) illustrates a series of arterial sections in which the lumenal area is minimally reduced. The inset indicates the external area (red) and luminal area (blue) that were manually encircled. The area was calculated automatically with ImagePro Express, v 4.0 software and an index of occlusion is derived from these numbers. The bottom panel (B) shows arteries with severe atherosclerosis. In some cases the arteries are almost occluded by the atheroma plaque.

Alex E. Roher, et al. Alzheimers Dement. ;7(4):436-444.
2.
Figure 2

Figure 2. From: Intracranial atherosclerosis as a contributing factor to Alzheimer's disease dementia.

A) The y-axis represents of the percentage of all arterial measurements taken. The index of occlusion, separated in deciles, is along the x-axis. The index of occlusion was also higher in the individual arteries of AD subjects compared to NDC subjects when separating by the percentage of measurements ≥ 60% (B), 70% (C) and 80% (D) index of occlusion. NDC, non-demented control; AD, Alzheimer's disease; VA, vertebral arteries; BA, basilar artery; PCA, posterior cerebral arteries; MCA, middle cerebral arteries; ICA, intracranial arteries; ACA, anterior cerebral arteries; * p<.05; **p<.01; ***p<.001.

Alex E. Roher, et al. Alzheimers Dement. ;7(4):436-444.

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